We make PulsCar, which sells a membership with an OBDLink MX+; this is a comparison by us, with sources and dates.

The short answer, read from both makers' own pages on 22 October 2026: buy BlueDriver if you want the lower of these two one-time prices to read a code, clear the light and open a repair report, or if its printed list of makes with ABS and airbag support names your car. Buy the bare OBDLink MX+ if you want a choice of apps, a live-data rate OBDLink publishes on its page about BlueDriver, the Ford and GM networks OBDLink lists, and a 3-year warranty. Pick PulsCar if you want the car watched on every drive by an app on your phone.

The answer in 60 seconds: who should choose what
You want the lower one-time price of these two to read and clear a code. BlueDriver: $99.95 on its product pages on 22 October 2026, repair reports with possible causes and reported fixes, an ABS, airbag and TPMS make list, and a 180-day return when bought from BlueDriver.
$99.95
You want your choice of apps, OBDLink's own published live-data rate, the GM and Ford networks and a 3-year warranty. The OBDLink MX+: $139.95 with free US shipping, a free OBDLink app, free OEM add-ons for MX+ owners (including Honda and Hyundai families), and third-party apps (OBDLink says dozens; its compatible-apps page names 18 and its MX+ page features 15).
$139.95
You want the car watched on every drive, without opening an app to start a scan. PulsCar is the OBDLink MX+ plus an app that, with the app on your phone, records each trip on its own and says in plain English when something needs attention or when to pull over. One payment, scanner included, nothing renews automatically.
from $299.99
The car makes a noise and no light is on. A code reader may have nothing to read, because many noises have no code behind them. A free sound check is a first move for an engine noise, unless it comes from the brakes, steering or a wheel, which need an in-person check first; it is covered near the end.
Neither, yet

The answer splits three ways because these are not three versions of one job: BlueDriver is a sensor and an app made for each other, OBDLink is an open adapter with a free app, and PulsCar is an app that runs on that adapter, with the scanner built to stay plugged in. BlueDriver's store printed $99.95 on its product pages (the price picture is messier, and we untangle it below) and OBDLink's store printed $139.95.

For a review of the MX+ alone, read our OBDLink MX+ review. For a short PulsCar against BlueDriver head-to-head, read PulsCar vs BlueDriver. For Autel and FIXD, read BlueDriver vs Autel vs FIXD.

How we checked, and what we could not read

How did PulsCar check these two products, and how far can a reader trust the result? We opened each page on 22 October 2026 and saved its text: OBDLink's product, support, warranty, FAQ and coverage pages, BlueDriver's store, refund-policy and Help Center pages, and the app-store listings. Facts about the products come from those pages; where we reason beyond them we say "our reading", and every quotation was compared word for word with the saved page. Where two pages from the same maker disagree, we show both and say which we would trust. Where a maker printed nothing, we write "not stated" and do not guess. The limit is plain: we bought and tested no hardware, so this page reports what the makers say, not how a unit behaves in your car. We read PulsCar's own checkout and terms the same day, because we sell it.

One page needs a warning label. OBDLink publishes a page titled OBDLink MX+ vs BlueDriver. It is a maker's claims about a rival, and its warranty line says "Warranty information accurate as of September 1, 2019". We use it only as "OBDLink says", attribute every figure to OBDLink's own bench tests, and use nothing else on that page as evidence. BlueDriver's pages print no sleep-current or sampling-rate figure at all.

What we could not read. BlueDriver's compatibility checker for the classic Pro could not be loaded, so we used the Next-Gen checker and the product pages. The tick marks in OBDLink's coverage PDF are images, so we use only its worked examples and module lists. We did not attempt the FCC filings or Trustpilot. OBDLink has no returns page in what we saved. BlueDriver's help center lists 44 articles; we saved 41 (two BMW articles and one Porsche article were not fetched), and five of those are video-only.

The two products on 22 October 2026: price, what is in the box, who makes them

Both are Bluetooth plugs that go into the OBD-II port under the dashboard and send the car's data to an app on your phone. BlueDriver's store calls its device a scanner and its app listing calls it a "Sensor", and it sells it with its own app; OBDLink calls the MX+ an "adapter" and gives away its own app while listing many others.

BlueDriver (Pro and Pro Next-Gen)OBDLink MX+
Maker named in the app listingRoot Four Imagination Inc. (App Store seller)OBD Solutions LLC
Price printed on its own store$99.95 on its product pages; $119.95 struck through on one; a $139.95 colour in the product feed$139.95
Shipping"Free shipping on all orders""Free US Shipping"
PhonesiPhone, iPad and AndroidiOS, Android, Windows
BluetoothClassic and LE generations; version number not statedBluetooth 3.0, Class 2 on the product page, Class 1.5 in the FAQ
AppBlueDriver app, free to install, needs the sensorOBDLink app (free), OBDwiz for Windows, third-party apps from OBDLink's list
Subscription"Zero Subscription Fees or Add-ons""we never charge a subscription or lock out third-party apps"
Warranty"1-year limited warranty" in the footer36 months (3 years)
Money-back180 days from delivery, bought from BlueDriver (policy)180 days on the product page, 90 days on the About page
Box contentsNot statedNot stated ("frustration-free packaging")

The MX+ Bluetooth class appears twice with different values on OBDLink's own pages, and we cannot tell which is right. Neither maker lists the items in the package, so check the store listing where you buy. The seller matters in one practical way: OBDLink's warranty text covers purchases from OBD Solutions or "authorized retail partners", while BlueDriver's refund policy applies when BlueDriver or an affiliate is the seller of record. The returns section picks that up.

Two designs: a sensor sold with its own app, an adapter that works with many apps

The first real difference is not a spec. It is who writes the software you will live with.

BlueDriver sells a sensor and an app made for each other. The App Store listing describes the app as "Paired with the BlueDriver Bluetooth® Sensor (sold separately)". Nothing in the BlueDriver pages we saved says the sensor works with any other app, and nothing says it does not. The only statement on the subject is on OBDLink's page about its rival: "BlueDriver’s® closed architecture means users only get one choice — the app that it ships with." That is OBDLink's description, not BlueDriver's, so we treat it as a claim.

OBDLink sells the MX+ as an adapter and ships a free app limited to OBDLink hardware. The App Store listing says so: "The OBDLink app exclusively works with OBDLink MX+, OBDLink CX, and OBDLink MX WiFi OBD adapters". The adapter itself is open: the product page lists it as "Supported by dozens of 3rd party apps", and a separate OBDLink page names fifteen featured apps.

The practical meaning depends on how you will use it.

  • One app, never thought about again: a single app (OBDLink calls this closed) is no handicap. One company writes the sensor, the app and the help center, and BlueDriver's help pages are built around exactly that.
  • You may want a different app later: an adapter that works with many apps is insurance. The adapter is not tied to one app if an app changes its terms or starts charging.
  • A specific job: OBDLink's pages name apps for coding on BMW and Mini (BimmerCode), Ford and Mazda diagnostics (FORScan Lite), FCA vehicles (AlfaOBD), Toyota and Lexus hybrid batteries (Dr. Prius) and lap timing. We tested none, and OBDLink says some may cost money.

A third arrangement is where PulsCar sits: it is one of the apps that runs on the OBDLink MX+, and it requires that scanner.

Price today, and the 1, 3 and 5 year view

OBDLink's price is simple. Its product page printed $139.95 on 22 October 2026, with no struck-through figure and the label "Free US Shipping". Its FAQ separately says "A shipping calculator is provided at checkout." The two lines are not reconciled, so confirm shipping at checkout.

BlueDriver's price is not simple, because its pages disagree with each other.

  • The shop-all page printed "Starting at $99.95", a sale card at $99.95 with $119.95 struck through, and a separate "OpenBox" card at $44.95 against $49.95.
  • The Pro Next-Gen product page printed "$99.95 $119.95". The page behind its "-next-gen" web address is word for word the same page.
  • The Pro product page printed "Add to Cart - $99.95" and no other price, and printed "out of stock" next to both colour names, Black and Charcoal.
  • The store's public product feed listed that same Pro product as Black at $139.95 and Charcoal at $99.95, both available. So the page text and the feed disagree on stock, and the feed prints a $139.95 that no BlueDriver page text we saved shows (the shop-all card says "Starting at $99.95", which fits a higher price on the other colour).

We cannot tell from outside the store which listing is current. Our reading: the cheapest listed price for a new unit on the day was $99.95, and $139.95 is what the feed lists for the Black colour of the Pro. Our 15 October comparison, which used prices read on 30 September, quoted $139.95 for the Pro and $99.95 for the Next-Gen, which is consistent. The $44.95 OpenBox listing is the cheapest BlueDriver price we saw, but no OpenBox page was saved, so its condition, warranty and return terms are not stated.

Cost after 1, 3 and 5 years. Prices are the makers' printed prices, read on 22 October 2026, with no tax or shipping added beyond what each maker says is included. The PulsCar rows add the $179 per year per car that PulsCar says it charges to continue after the first term; nothing renews automatically. We assume no replacement unit and no paid third-party app.

PathPay todayAfter 1 yearAfter 3 yearsAfter 5 years
BlueDriver, the $99.95 listing$99.95$99.95$99.95$99.95
BlueDriver, the $139.95 listing$139.95$139.95$139.95$139.95
OBDLink MX+ with the free OBDLink app$139.95$139.95$139.95$139.95
PulsCar One Year (MX+ included)$299.99$299.99$657.99$1,015.99
PulsCar Two Years (MX+ included)$499.99$499.99$678.99$1,036.99

The first three rows are one-time purchases. One Year adds $179 at the start of year two and year three ($657.99 at three years); Two Years adds $179 for year three ($678.99).

The gaps are the honest number to weigh. In the first year PulsCar One Year costs $160.04 more than the bare MX+ and $200.04 more than the $99.95 BlueDriver. At three years the gaps are $518.04 and $558.04; at five years, $876.04 and $916.04. That is what the membership costs on top of a scanner you could buy alone.

If you already own an MX+, PulsCar's Membership only plan is $199.99 for 12 months and works with the MX+ only, not the MX, LX, EX or CX. An MX+ at $139.95 plus Membership only at $199.99 is $339.94, so PulsCar One Year at $299.99 is $39.95 less than an MX+ and a year of the app bought separately. If the scanner fails from a defect during your membership, PulsCar's terms replace it at no cost with a prepaid label (not loss, physical or water damage, or modified units); our sources do not say whether OBDLink's own 3-year warranty applies to a scanner supplied by PulsCar.

For the reader who will read a code once a year, the one-time purchase is the rational path; the membership is for the reader who values the watching.

What each one reads: standard OBD-II, protocols, gas, diesel, hybrid and EV

Both read standard OBD-II data on cars from 1996 on, and the makers' statements are close to identical. BlueDriver's product page says it "works with all 1996 and newer cars, SUVs, and light trucks sold in North America, including most gas, diesel, and hybrid vehicles." OBDLink's page says the MX+ "works with all 1996 & newer cars and light trucks sold in the United States, and also supports EOBD, JOBD, and all other international variants of OBD-II."

The statements diverge at the edges.

QuestionBlueDriver saysOBDLink says
Cars sold outside the USCompatibility depends on the region where the car was first sold; VIN decoding is North America onlySupports EOBD, JOBD and other international variants; Japan 2008 and newer per its FAQ
Gasoline only, or also dieselOne bullet says all gas vehicles 1996 and newer; the compatibility paragraph says most gas, diesel and hybridNo plain sentence that the MX+ works on diesel (the page says all legislated OBD-II protocols and all 1996 and newer cars and light trucks); the app lets you choose diesel as a fuel type
Hybrid and EVThe Live Data Guide lists "Hybrid/EV" datapoints (system status, charging state, battery voltage and current); the product page says most gas, diesel and hybrid vehicles and does not list pure EVsWorks with electric and hybrid vehicles only with an OEM-specific third-party app; the OBDLink app reads only emissions-related data
WindowsNot in the pages we savedOBDwiz software included

Two cells are conflicts inside one maker's pages. BlueDriver prints "Works with All Gas Vehicles 1996+" as a feature bullet and, a few lines lower, says "most gas, diesel, and hybrid vehicles". We trust the longer paragraph, because its Help Center also describes diesel aftertreatment and hybrid battery datapoints, but we cannot tell which sentence BlueDriver stands behind. OBDLink's FAQ says its adapters work with electric and hybrid vehicles "when paired with an OEM specific third-party app for select vehicles", while its troubleshooting guide, revision C of August 2025, warns that for these vehicles the adapters "may not work". A hybrid or EV owner should treat OBDLink's wording as "check first".

The two apps do similar things with the basics.

Basic functionBlueDriver appOBDLink app
Read and clear check engine codesYesYes
Freeze frameYesYes
Mode 6 monitor test resultsYesYes (On-board Monitoring Tests)
Emissions or smog readinessSmog CheckEmissions readiness for each US state
Live dataLive data with graphingOver 90 parameters, customizable dashboards
Repair reportsYes, for each codeNot stated in the listings we saved
Data exportShare reportsCSV logging, a report sent by email
Trip meters and fuel economyNo trip meters stated; the Live Data Guide lists an Engine Fuel Rate datapointMultiple trip meters, fuel economy

The repair report is BlueDriver's headline feature. Its product page says a report is generated "For each DTC, generate a report for your vehicle containing possible causes, reported fixes, and more." The App Store text adds that you can preview a report without a sensor by entering a VIN and a trouble code.

ABS, airbag, TPMS and OEM data: BlueDriver's make list against OBDLink's add-ons

Generic OBD-II reaches the engine and emissions equipment. ABS, airbag, tire pressure, transmission and climate speak in manufacturer-specific codes. Both makers sell access to them, in different ways, so this is where the choice most often turns on your exact car.

BlueDriver's route is a make list on its product page. Under "Advanced Diagnostics (ABS, Airbag, SRS, and TPMS) Available On:" it lists GM, Ford, Toyota, Nissan, Mazda, Subaru, Mitsubishi (2008 and newer), Hyundai and Kia (2011 and newer), Mercedes (2005 and newer), BMW and Mini (2005 and newer), Honda and Acura (2003 and newer), Chrysler (in the App Store and Google Play text; the product-page row repeats the Ford brands), and Volkswagen, including VW and Audi. If enhanced codes are not offered for your car, the other features still work: "all other BlueDriver features, including trouble code lookup and Repair Reports work on ANY vehicle with an OBD2 port." Its feature list also names transmission among the enhanced codes: "Enhanced Codes (e.g. ABS, Airbag, Transmission, etc.)". The page has two inconsistencies: a Chrysler row that repeats the Ford brands, which looks like a copy error, and a Hyundai and Kia floor of 2011 on the product page against 2012 in the App Store and Google Play text. We cannot tell which is right; use the vehicle checker.

OBDLink's route is free add-ons inside its app. Its support article says "You need enhanced diagnostics to read additional manufacturer-specific DTCs and Parameter IDs (PIDs)." and its FAQ says that for MX+ owners the add-ons are included: "All OBDLink app OEM add-ons are free to MX+ users." The support article names the exclusive families plainly: "Add-ons that are exclusive to OBDLink MX+ include: GM; Honda, Acura; and Hyundai, Kia." A coverage PDF, last revised October 21, 2021 (Revision D), lists makes, years and modules; its Toyota module list includes ABS, SRS Airbag, Tire Pressure Monitor, transmission and air conditioning. The app has moved on since: its App Store release notes for version 7.4.0, dated July 15, 2026, add enhanced diagnostics for 2026 Ford vehicles.

The PDF's worked examples show why a brand name is not an answer. For Chevrolet, OBDLink writes: "Section 1, page 5 shows that Generic DTCs, Generic Live Parameters and OEM DTCs are supported for Chevrolet vehicles. OEM Live Parameters are not supported." For Audi: "Section 1, page 5 shows that Generic DTCs and Generic Live Parameters are supported for Audi vehicles. OEM DTCs and OEM Live Parameters are not supported." That Audi line is a real BlueDriver advantage on paper, because BlueDriver names Volkswagen, including Audi, for ABS and airbag.

Then the networks. OBDLink's MX+ page says it supports "advanced Ford & GM vehicle networks (MS-CAN and SW-CAN)", and its support article says that on a different OBDLink adapter you can buy the Ford add-on but "you will not be able to read certain Ford PIDs that come from the MS-CAN network". OBDLink's page about its rival goes further and says BlueDriver cannot reach those networks. BlueDriver's pages say nothing about MS-CAN or SW-CAN either way. Both claims can be true: BlueDriver lists Ford and GM for ABS, airbag and TPMS, and OBDLink says some Ford and GM modules sit on a network BlueDriver cannot reach. Neither page says which modules, and we cannot settle it from outside a car.

Two limits on OBDLink's side. Its PDF is from 2021 and its model-year examples end near it (for example Toyota Camry 1996 to 2021 and Ford Edge 2007 to 2020), so for a newer car you depend on what the app's vehicle editor says today. BlueDriver's list prints year floors but no ceilings, which is generous on paper and unverified. For both, confirm your exact year, make and model with the maker before you pay, and keep the reply.

Live data and speed: what the makers say, and what OBDLink's bench claim is and is not

OBDLink's MX+ page makes a headline claim without a figure: "World’s fastest Bluetooth OBD-II adapter". The only numbers come from OBDLink's page about its rival, which says: "In head-to-head benchmark testing, BlueDriver’s sampling rate varied between 5 and 10 samples per second." and then "Under the same conditions, OBDLink MX+ was up to ten times faster." Its summary table gives "Up to 100 samples per second" for the MX+ and "Up to 10 samples per second" for BlueDriver.

BlueDriver prints no sampling rate, refresh rate or speed figure anywhere we looked: not on its product pages, not in its app listings, not in its Live Data Guide. What it says is qualitative. Its home page says it "streams live sensor data so you can monitor everything from engine temp to fuel trims", the App Store promises "multi-PID interactive graphing", and the Live Data Guide lists "all standard OBDII live data accessible using BlueDriver", with the note that support varies by vehicle year and model.

  • These are the only rate figures printed, and OBDLink printed them. If you plan to watch many values on a gauge screen or graph, the MX+ is the product with a published rate, and OBDLink's explanation of why it matters is fair: "A high sampling rate is necessary to accurately capture fast-changing signals and monitor multiple parameters and is a must for smooth graphs and digital dashboards."
  • It is a maker's test of a rival. The page does not say which BlueDriver model was tested, on which vehicle, or in what year. Its warranty line is dated September 1, 2019, and BlueDriver now sells a Bluetooth LE generation, so we cannot tell whether the test used the unit you would buy today.
  • It does not matter for reading a code. Our reading: reading, clearing and freeze frame are one-off requests. No page from either maker suggests the speed claim changes how quickly a code appears.

Our reading: if you will watch live graphs or build a dashboard, the MX+ has the stronger published case, resting on OBDLink's own number. If you will not, speed should not decide your purchase.

Bluetooth type and phones: classic 3.0 against BlueDriver's classic and LE generations

The OBDLink MX+ is a Bluetooth 3.0 device. Its product page lists "Class 2 Bluetooth v3.0" with "Secure 128-bit data encryption", while its FAQ says the MX+, MX and LX use "a Class 1.5, Bluetooth 3.0 module"; the two class figures conflict. Pairing is gated by a physical button: the product page calls it a "Connect" button that "requires physical access to enable Bluetooth pairing", while the setup article and quick start guide call it "Pair". The flow is the same on iPhone and Android: plug in, press the button, pick the adapter from the phone's Bluetooth list, wait, which "may take 45-60 seconds".

BlueDriver has two generations that pair differently. Its Help Center says "BlueDriver Pro Next-Gen scanners are always Bluetooth LE." and that you tell the generations apart by the unit: "If the scanner says LE, it is a Bluetooth LE scanner." Another Help Center article ("Device Not Pairing", 15108496) says: "You have a newer BlueDriver device that uses Bluetooth LE, which pairs within the app—not through your phone’s Bluetooth settings." with a window of "60 seconds to pair the sensor." The iPhone troubleshooting article says LE scanners are paired from inside the app, not from the iPhone's Bluetooth settings; by implication, classic units pair in the phone's settings on an iPhone, and the setup steps say to unpair any previously connected BlueDriver first. On Android, the product page says location permission is needed for stable pairing.

BlueDriver prints no Bluetooth core version number or class for either generation (its Help Center says only that Next-Gen units are always Bluetooth LE), so there is nothing to compare with OBDLink's "3.0" on paper. The product page has a Pro and a Pro Next-Gen selector, and we could not tell which hardware the $99.95 button ships, so check the marking on the unit you receive.

Phone requirements are another place where each maker's pages conflict.

ItemBlueDriverOBDLink
Minimum iOS in the help or FAQ textiOS 13 or higher (Help Center, May 2026)iOS 9 and newer (FAQ)
Minimum iOS in the App Store listing16.6, app version 8.12.3, released October 5, 202615.0, app version 7.4.0, released July 15, 2026
Minimum Android in the help or FAQ textAndroid 8.0 or higherAndroid 4.4 and newer
Aftermarket Android head unitsMay block pairing, per the Help CenterNot stated

We trust the App Store figures for an iPhone, because that is the field Apple publishes for the current version of each app; the help-page figures read as older (the OBDLink FAQ still lists Windows Phone 8). Check your phone's iOS version against the store listing before you order, since an iPhone that cannot run iOS 16.6 may not be able to install the current BlueDriver app; PulsCar's own listing requires iOS 16.4 or later.

One note for anyone eyeing a cheaper OBDLink. The LX is listed at $89.95 and the EX at $69.95, but OBDLink says of the LX that it is "not iOS compatible", and its compatible-apps page says only the MX+ and CX currently support iOS. The CX, at $79.95, does support iOS, but OBDLink aims it at BimmerCode coding.

Apps: BlueDriver app only against the OBDLink app, OBDLink's list of third-party apps, and PulsCar

First the ratings, as the app stores report them.

Ratings, read 22 October 2026App Store (Apple lookup)Google Play
BlueDriver app4.61 from 13,747 ratings3.5; 17.2K reviews in the header, 16.5K in the ratings block
OBDLink app4.79 from 12,908 ratings4.7; 20.8K reviews in the header, 19.4K in the ratings block

The two Google Play counts differ on the same page for both apps, so we show both. The Play average for BlueDriver is about 1.1 points below its App Store average, and we cannot say why from the numbers alone.

The BlueDriver app is the one app for the BlueDriver sensor. The App Store lists what it does: read and clear codes (the listing names check engine, ABS, airbag and transmission), repair reports, Mode 6, smog readiness, freeze frame, live graphing and likely fixes in plain language. It is free to install and needs the sensor to read a car.

The OBDLink app is free and works only with OBDLink hardware: "The app will NOT function with any other brand of OBD adapter." Its features include codes, freeze frame, over 90 real-time parameters, dashboards, emissions readiness, CSV logging, GPS plotting on a map and an emailable report. It requires registration on first run.

The third-party apps are OBDLink's open door. Its compatible-apps page names 18 apps; 17 list the MX+, and 11 have an iOS download. A separate MX+ page features 15. They range from general readers (Torque, OBD Fusion, Car Scanner ELM OBD2) to specialists (FORScan Lite, BimmerCode, AlfaOBD, DashCommand, lap timers). OBDLink's FAQ cautions that third-party apps "may require a separate purchase or subscription". We tested none, so confirm any app in its own store listing. As for BlueDriver, none of its pages list other apps for the sensor; the "BlueDriver app only" line in OBDLink's table is OBDLink's claim, and BlueDriver's pages neither confirm nor deny it.

PulsCar is an app that runs on the OBDLink MX+. It is free to download on the App Store and Google Play in the US, but it needs an active membership for the full app (without one it opens only its safety core: roadside SOS guides, critical alerts, connection status, current fault codes and battery voltage), and it is made for the scanner to stay plugged in, with the app on your phone. It has its own section below. For the head-to-head with the free OBDLink app, see PulsCar vs the OBDLink app, and for choosing among apps for the MX+, see the best app for the OBDLink MX+ if you are not a mechanic.

Subscriptions, add-ons and account requirements

BlueDriver says it three times on one product page: "Zero Subscription Fees or Add-ons", "No subscriptions. No add-ons. Ever." and "No in app fees or add-ons. One purchase gets you everything you need."

OBDLink says "we never charge a subscription or lock out third-party apps". Its FAQ gives the full statement with its qualifier: "The OBDLink app and OBDwiz software are free for all OBDLink users; however, OBDLink/OBDwiz add-ons and third-party apps may require a separate purchase or subscription." followed by "All OBDLink app OEM add-ons are free to MX+ users." Owners of a different OBDLink adapter "can purchase add-on diagnostics", at prices not printed in anything we saved. So for the MX+, the free app plus free OEM add-ons is the complete OBDLink package, and anything from a third-party app is a separate decision with its own price. OBDLink says updates are included: its FAQ says "lifetime firmware, OBDLink app and OBDwiz software updates are included with your purchase."

Accounts differ more than the headline suggests. BlueDriver creates an account during setup, with email, Google, Apple or Microsoft sign-up, and deleting it is permanent. The Help Center also mentions "guest mode" for saving reports, so an account may not be forced for every function; the setup steps and App Store text say you create one, and we cannot tell which is the current rule. OBDLink asks for registration on first use, and what it collects is not stated in the setup article.

Leaving it plugged in: what each maker says about sleep and battery

Some owners want to leave one of these in the port, so the battery question is a real one. The answer is lopsided: one maker prints specifications and the other prints nothing.

What OBDLink prints. The MX+ product page lists "Automatic sleep & wake-up" and "BatterySaver™ Technology low power mode", and its specification table gives an operating current of 62 mA and a low-power-mode current of 2 mA. A support page says how you can tell it is asleep: "While in sleep mode, the power LED quickly flashes every three seconds". The product page does not print the delay before sleep begins. The only delay we found is on OBDLink's page about its rival: 10 minutes. PulsCar's checkout page also says the MX+ goes to sleep ten minutes after the engine stops and draws about 2 mA, which is the same 2 mA OBDLink prints, so we treat it as the maker's number and not a separate measurement.

What BlueDriver prints. Nothing on this topic. We searched its product pages, home page, refund and terms pages, both app listings and the 41 Help Center articles we saved for a sleep mode, a sleep current, a standby delay or the words "safe to leave plugged in", and found none. The nearest text, in the LED article, is about the LED, not the battery: after a short period the light stops flashing blue "so it isn't distracting for people logging live data as they drive." That is a gap in what BlueDriver printed, not a finding that it drains a battery.

What OBDLink says about BlueDriver. On its rival page OBDLink states that its own bench tests found BlueDriver takes 30 minutes to enter low-power mode against 10 for the MX+, with an idle current of 73 mA and a sleep current of 19.3 mA against 39 mA and 1.8 mA for the MX+, and it rates BlueDriver "Inadequate – sleep current too high". Those are OBDLink's numbers from OBDLink's tests of an unnamed model, on a page whose only as-of date is a 2019 warranty note. We use only the numbers in the page's comparison table, as OBDLink's own claims, and nothing else from that page.

OBDLink's two pages use different labels and numbers for the MX+: 62 mA operating and 2 mA in low-power mode on the product page, 39 mA idle and 1.8 mA sleep on the rival page. The two sleep figures are close; the operating and idle figures are not defined, so we cannot say they measure the same state. Treat 2 mA as the maker's stated figure; neither number comes from an independent test. If you want a scanner in the port all week, the MX+ is the one with a printed low-power mode and current. If you buy BlueDriver, ask its support in writing whether the sensor is meant to stay plugged in while parked, keep the reply, and unplug any accessory with no printed sleep specification when the car will sit. PulsCar's checkout adds a general warning of its own: you can leave it in for weeks, and a car that sits longer than that needs a battery tender anyway, scanner or not.

Support, warranty and returns, side by side

Both makers print "180 days" for returns, and the details diverge.

BlueDriverOBDLink
Money-back window180 days from confirmed delivery180 days on the product and products pages; 90 days on the About page
Who is coveredOrders where BlueDriver or an affiliate is the seller of recordNot stated for the money-back promise; the warranty covers OBD Solutions and authorized retail partners
How to claimAsk BlueDriver support, get a return authorization (RMA), then ship backNo claim page found in what we saved
Return shipping"Where applicable" a prepaid label; the banner says "Free Returns"Not stated
Refund timingAfter approval; processing may take 5 to 10 business daysNot stated
Warranty1-year limited warranty (footer); terms not stated36 months from purchase; repair or replace
Support"24/7 Support" claim; phone, email, in-app chatMon to Fri, 8:30 AM to 4:30 PM MST; email, forum, ticket, in-app

BlueDriver prints a return process; in what we saved, OBDLink printed none. Its refund policy opens with "BlueDriver stands behind the quality of its products and offers a 180-day money-back guarantee on products purchased directly from BlueDriver through its official sales channels." The conditions: the request must reach support within 180 days of confirmed delivery, an RMA must be issued before you ship anything back, and refunds are issued only after the product is received, inspected and approved. It may refuse a refund if the product is "materially damaged due to misuse", and starting a chargeback before completing the return may void eligibility. If you bought from a reseller or marketplace, that seller's policy applies and BlueDriver does not issue the refund.

BlueDriver's warranty is a footer line, "1-year limited warranty", and what it covers and how to claim are not stated in the pages we saved. Its Terms of Use say purchases are governed by separate Terms and Conditions, and those terms refer to purchase orders submitted by a customer and disclaim warranties, providing products "WITHOUT WARRANTY OF ANY KIND" except as otherwise set out. Which text governs a consumer order is not stated, so the 1-year promise stands on the footer alone.

OBDLink's product page says the MX+ "comes with an unconditional 180-day money-back guarantee, and a 3 year warranty." The products page says 180 days too, but the About page says "OBDLink stands behind our tools with a 3-year warranty and 90-day money back guarantee." We would expect 180, but we cannot be sure, and we found no OBDLink page that explains how to claim it, who pays postage or what condition the unit must be in. "Unconditional" appears only on the product page. The warranty text contains "NO REFUNDS WILL BE GIVEN.", but that sits inside the repair-or-replace warranty and is a separate promise. The sensible reading: OBDLink printed a headline guarantee with no claim steps in what we saved; BlueDriver printed conditions and a process.

The OBDLink warranty itself is specific: 36 months from the original purchase date, original owner only, not transferable, covering purchases from OBD Solutions or authorized retail partners, with proof of purchase required and a choice of repair or replacement; a replacement gets 36 months from receipt. One cost to know about: "OBD Solutions is not responsible for shipping costs related to warranty service." Claims go by email to [email protected].

On support, the choice is between OBDLink's printed weekday hours with a forum, ticket system and in-app route, and BlueDriver's claim of 24/7 support with a phone line, email and in-app chat. We called no one, so "24/7" is BlueDriver's claim. OBDLink's Google Play listing also shows a developer phone number and email (not described as a support line). Where you click "buy" decides which promise you hold: a BlueDriver bought from a marketplace falls under that marketplace's policy, and an OBDLink MX+ from an authorized retailer carries the warranty, while whether it carries the money-back guarantee is not stated.

PulsCar: the app that runs on the MX+ and reads the car on every drive your phone is along for

What does PulsCar add to an OBDLink MX+ that the bare adapter and its free app do not describe? According to PulsCar's checkout, read on 22 October 2026, the scanner stays plugged in and, with the app on your phone, the app records each trip on its own, reads six systems on every drive (engine, fuel, electrical, cooling, emissions and stored fault codes), watches engine temperature and battery voltage, explains fault codes in plain English and raises a "pull over now" alert when something is serious. It also adds 24/7 SOS guides (PulsCar is not a roadside assistance service) and an in-app sound check from a 20-second recording. The scanner does not record on its own: fault codes wait in the car until the next drive. The BlueDriver pages we saved describe no automatic trip recording or alerts; OBDLink's app listing mentions trip meters (and notes GPS can run in the background) but not recording without you opening the app.

The rest is the facts a buyer needs, from PulsCar's live checkout, its Terms of Sale and its scanner page, all read on 22 October 2026. We make PulsCar, so read the PulsCar column as a vendor's own description.

BlueDriverMX+ with the free OBDLink appPulsCar membership
What you pay today$99.95 on the product and shop-all pages (the feed lists Black at $139.95 and Charcoal at $99.95; the Pro page also prints "out of stock" beside both colours)$139.95One Year $299.99, MX+ and US shipping included
Cost after 3 years$99.95$139.95$657.99 (One Year, two renewals at $179)
What the app doesRead and clear codes, repair reports, Mode 6, live graphing, ABS, airbag and TPMS codes on a make list (its feature list also names transmission)Live data, dashboards, OEM add-ons, third-party appsRecords each drive on its own with the app on your phone, plain-English codes, pull-over alerts, history, sound check
Records or alerts without you opening the appNot described in the saved pagesNot described in the saved pages (trip meters are listed, and the listing notes GPS can run in the background; it does not say trips start on their own)Yes, with the app on the phone (PulsCar's checkout)
Returns180 days, bought from BlueDriver180 days on the product page; process not found30 days after delivery; full refund before shipping

What one payment covers. PulsCar sells One Year at $299.99 (12 months, one scanner), Two Years at $499.99 (24 months, one scanner), Family at $549.99 (12 months, two scanners and two vehicles) and Membership only at $199.99 for people who already own an OBDLink MX+. The scanner is yours to keep and ships to a US address at no extra cost, within 7 days of the order. The term starts the day you activate the serial number in the app, not the day you pay. Nothing renews automatically and PulsCar does not keep your card on file; when the term ends you can renew at $179 per year per vehicle, app access only, and PulsCar emails you 30 days and 7 days before. There is no monthly plan and no free trial. If you do not renew, the app keeps roadside SOS, critical alerts and live battery voltage, and your trip history stays on your phone (the terms' list; the scanner page also names connection status and current fault codes); diagnostics, trips, sound checks and reports pause until you renew.

How the money-back works. Any time before your scanner ships, PulsCar's terms say you write to [email protected] and receive a full refund. After delivery you have 30 days to ask; PulsCar emails a prepaid return label, and once the scanner arrives in working condition the full payment goes back to the original payment method within 10 business days. If the app cannot connect to your car at all, tell PulsCar within those 30 days and the same refund applies. On Membership only there is nothing to ship back and the 30 days count from the email with your serial number. After 30 days membership fees are not refunded and the scanner stays yours.

What stays in the car. PulsCar's checkout and terms say the scanner is read-only by design: it listens to the diagnostic bus and cannot control brakes, steering or throttle. The app does have a clear-codes function that you start yourself, and OBDLink's FAQ says an MX+ can flash or modify an ECU's configuration for select vehicles when paired with a third-party app such as FORScan or BimmerCode, so read PulsCar's sentence as a description of how PulsCar uses the adapter. The scanner is the OBDLink MX+ by OBD Solutions and is yours to keep; we did not test it with other apps, and no page we read says PulsCar's units are restricted. PulsCar says any car built after 1996 has the port; its App Store text says "most cars sold since 2001", while its Google Play text says "most cars sold in the US since 1996" and its terms say OBD-II is standard on cars sold in the US since 1996. We would trust the terms, which also give the refund if the app cannot connect.

What PulsCar is not. It ships to US addresses only. Its up-front price is higher than a bare reader: $200.04 more than the $99.95 BlueDriver in year one, as the figures above show. The membership app does not estimate repair prices. It needs the OBDLink MX+ and will not run on a BlueDriver sensor. It reads engine, fuel, electrical, cooling, emissions and stored fault codes, and we do not claim it reads ABS or airbag modules. Its readings are information, not a diagnosis, and for brakes, steering or overheating it tells you to stop and have the car inspected in person. It has no ratings yet: its App Store listing showed 0 ratings on 22 October 2026. And its refund window is 30 days, against 180 days in BlueDriver's refund policy and on OBDLink's product page (OBDLink's About page says 90).

Who it is for. The reader who depends on a car every day, is not a mechanic and wants the car's stored fault codes, including ones logged before the warning light, read on every drive without starting a scan and explained in plain English (BlueDriver also reads pending codes when you run a scan), may find the extra money worth it: a household car that carries a family, or a second car you worry about (Family covers two scanners and two vehicles). The app reads the car on drives with your phone along. The plans are at get.pulscar.io, and the longer product description is on the PulsCar scanner page.

Which one to buy, by owner

  • One car, one light, once a year, with repair guidance: BlueDriver at $99.95. It is the lower price, its repair reports explain a code, and BlueDriver prints a step-by-step return process and OBDLink's pages we saved do not. The caution is the price picture: confirm which listing and colour you are buying.
  • The longer warranty and an adapter that works with many apps: the OBDLink MX+ at $139.95, with a free app and a 3-year warranty. You can change apps later, because the adapter is not tied to one app.
  • GM, Honda, Acura, Hyundai or Kia, with manufacturer data: the MX+ has free OEM add-ons, exclusive among OBDLink adapters, for those families. BlueDriver also lists ABS, airbag and TPMS for GM, Honda and Acura, and Hyundai and Kia, so compare the two make lists for your year. Check the make-by-make PDF first: OBDLink's own Chevrolet example shows manufacturer codes but not manufacturer live parameters.
  • Volkswagen, Audi, BMW, Mini, Mercedes or Subaru, with ABS and airbag codes: BlueDriver prints those makes on its list. OBDLink's own example for Audi says OEM codes are not supported, and the tick marks for the other makes did not survive in the text we saved. Check each maker's list for your year.
  • Coding, Ford or Mazda diagnostics, gauges, lap timing, live graphs of many values: the MX+ and the third-party apps OBDLink lists, because the open design is the point (the rate claims are OBDLink's own, see the speed section; BlueDriver also advertises live graphing). We tested none of the apps.
  • The car read on every drive your phone is along for, and explained in plain English: PulsCar, with the MX+ included. If you already own an MX+, Membership only at $199.99 is the way in.
  • A noise and no light: neither product. For an engine noise, start with the free sound check described near the end; for a noise from the brakes, steering or a wheel, get the car inspected first.

Three traps a careful buyer still walks into

Trap one: buying on the headline price without checking the make list. The situation: a $99.95 button and a $139.95 button sit side by side, and the cheaper one wins. What is real: BlueDriver's page lists ABS, airbag and TPMS support for named makes, some with a minimum year. OBDLink's coverage PDF is a 2021 revision, and its own Audi example says OEM codes are not supported. The price: a tool that reads the engine and nothing else on your car, discovered after you have paired it. The defense: write down your car's year, make and model, check each maker's own list for it, and ask the maker in writing when pages disagree.

Trap two: assuming one app fits every sensor. The situation: you already have an OBD app on your phone, or read that the MX+ works with dozens, and assume any sensor will talk to it. What is real: the OBDLink app works only with OBDLink hardware, the BlueDriver app is described as the app for the BlueDriver sensor, the MX+ connects to one app at a time, and the cheaper OBDLink LX is not iOS compatible. The price: a second purchase, or an adapter that cannot reach the app you wanted. The defense: pick the app first, open its store listing, and confirm the exact adapter it names.

Trap three: assuming a plugged-in adapter watches the car by itself. The situation: the MX+ lists automatic sleep and wake-up, which a buyer may read as monitoring. What is real: the adapter is hardware. Neither OBDLink's pages nor BlueDriver's describe automatic trip recording, background monitoring or alerts (OBDLink's app listing mentions trip meters, a Trip Statistics page and GPS running in the background, and does not say whether trips are recorded without you opening the app). PulsCar's own checkout says the scanner does not record on its own: the app on your phone does, and fault codes wait in the car until the next drive. The price: a problem you assumed would be flagged, found only when the light comes on. The defense: decide whether you want a tool you pick up or an app that runs on every drive, knowing the second also needs your phone with you.

Three composite situations, decoded

These are composite scenarios, not individual customers. They are built only from facts already in this article, written in the conditional, and contain no invented names, amounts or dates.

Scenario 1: the once-a-year light. Suppose an owner has one older car, the check engine light has come on, and the owner wants the code, a clear and a short explanation. BlueDriver at $99.95 reads and clears the code and opens a repair report; it carries no subscription and a 180-day return when bought from BlueDriver. The MX+ at $139.95 does the reading and clearing with the free OBDLink app, adds dashboards, free OEM add-ons for some makes and a 3-year warranty, and has no repair report in the listings we saved. Lesson: for one light on one car, spend the least, and ask which listing and colour is the $99.95 one before you click.

Scenario 2: the Audi owner who read that the MX+ has more manufacturer data. Suppose an owner has an Audi with an ABS lamp. OBDLink's own example says generic codes and live parameters are supported for Audi but OEM codes and OEM live parameters are not. BlueDriver lists Volkswagen, including Audi, under ABS, airbag and TPMS, and tells the owner to check the year in its checker. Lesson: coverage is per make, so the make list decides, not the brand with more apps.

Scenario 3: the daily commuter who wants to be told. Suppose a non-mechanic drives the same car to work every day and wants to be told about a problem in plain English. This owner may not open a bare reader and a free app until something is already wrong. PulsCar One Year at $299.99, with the MX+ and shipping included, has the app record each trip on its own with the phone in the car; it costs $657.99 over three years with two $179 renewals, against $99.95 once for BlueDriver, so the commuter pays $558.04 more and, if the watching goes unused, has paid for something that went unused. Lesson: the extra money is for the watching, so buy it only if you will use it.

What neither product can see, and where a free sound check fits

Does PulsCar's free sound check replace a scanner, and can a scanner hear a noise that sets no code? No to both. A scanner reads what the car's computers stored, and the car stores a code only for faults its designers asked it to monitor. A wheel bearing hum or a loose heat shield is not that, so such noises often leave no code. PulsCar's free web sound check works from a 30-second engine recording, needs no card, account or hardware, and emails one report; it reads and clears no codes. It is an estimate from audio, not an inspection. If a light is on, buy a reader; for an engine sound alone, start with the clip. Two exceptions override that. Our advice: with a flashing check engine light or a red temperature, oil or brake warning, pull over safely, switch the engine off and have it towed; a noise from the brakes, steering or a wheel needs inspecting before you drive on.

The regulator's description shows where the gap comes from. The California Air Resources Board's OBD II fact sheet says on-board diagnostics are built "to monitor virtually every component that can affect emission performance", a specification about emissions and engine management, not a promise to watch everything else in the car. PulsCar has also counted how often owners describe a sound without a light. In its published analysis on FIXD vs PulsCar, PulsCar pulled 39,355 complaints from the National Highway Traffic Safety Administration's public database on 6 September 2026, for ten high-volume nameplates and model years 2015 to 2022, and found that 3,838 complaints, 79% of the ones that described a sound, mentioned no light, no code and no scan; sound complaints were 12% of the sample, and 84% of the complaints that describe a light or code mention no sound, so where an owner describes a light or a code, a code reader is the right tool. A complaint is what an owner chose to write, so that counts vocabulary and not faults, and we do not recompute it here.

Hear something, with no light on?
Try the free sound check: record 30 seconds of the engine

Record the engine running on any phone and PulsCar emails a report on what the sound most likely is. No card, no account, no hardware. It is an estimate from audio, not an inspection, and it is separate from the membership. For a noise from the brakes, steering or a wheel, get the car inspected first; if the check engine light is flashing, pull over safely, switch the engine off and have it towed (our advice).

Try the free sound check

What we looked for and did not find

Each of these, except the BlueDriver MAX item, was a search of the makers' own pages on 22 October 2026.

No OBDLink page explaining how to claim the money-back guarantee: no returns page, no return address, no statement of who pays postage and no claim steps.

No BlueDriver statement on sleep mode, standby delay, sleep current or leaving the sensor plugged in, no Bluetooth core version number or class for either generation (only that Next-Gen units are always Bluetooth LE), and no sampling-rate figure. We searched the store, both policies, both app listings and 41 Help Center articles.

No BlueDriver statement on whether the sensor works with other apps, in either direction, and none on manufacturer-specific live parameters; its Live Data Guide describes standard OBD-II live data.

The BlueDriver MAX business product was not re-read today. Our BlueDriver vs Autel vs FIXD page documents it from BlueDriver's MAX site as read on 30 September 2026; we did not re-open that site on 22 October, so this article does not repeat its terms.

No independent measurement of OBDLink's sampling-rate and sleep-current claims.

Your action plan: before you order, on the day, in the first week

Before you order. Write down the one job. Check your exact year, make and model on the BlueDriver compatibility checker and in OBDLink's coverage PDF and app vehicle editor. Check your phone's iOS or Android version against each app's store listing, not the help page. Buy from the maker if you can, because BlueDriver does not refund purchases from unaffiliated sellers and, in the pages we saved, OBDLink prints no returns process. If you may leave it plugged in, ask BlueDriver in writing about sleep behavior; ask OBDLink where its 180-day guarantee is claimed.

On delivery day. Open the box inside the return window and keep the receipt. For BlueDriver, note whether the unit says LE, since it decides how it pairs. Write down any code before you clear it, because BlueDriver's help article says "It is not possible to clear engine codes without resetting emissions tests using any scan tool". If it does not do the job, ask for the return the same day; for BlueDriver, get the return authorization before shipping anything.

In the first week. If it stays in the port, notice whether the car starts normally after it sits, and unplug it before a long park if you were given no sleep specification. Put the end of the return window in your calendar: 180 days from delivery for BlueDriver, and whatever OBDLink confirms in writing. If you chose PulsCar, remember that the term starts the day you activate the serial number, and that the 30-day refund window runs from delivery (or from the serial-number email on Membership only). Plans are at get.pulscar.io and the scanner page is pulscar.io/scanner.

Sources and documents

Every number and quotation above comes from one of these pages, each opened and read on 22 October 2026 unless marked otherwise.

  1. OBDLink MX+ product page
  2. OBDLink products list
  3. OBDLink's MX+ vs BlueDriver page, with the 2019 note
  4. OBDLink About page
  5. OBDLink FAQ
  6. OBDLink warranty
  7. OBDLink compatible apps
  8. OBDLink MX+ apps page
  9. OBDLink MX+ support page
  10. OBDLink OEM coverage PDF, Revision D
  11. OBDLink quick start guide
  12. OBDLink troubleshooting guide
  13. OBDLink enhanced diagnostics article
  14. OBDLink setup article
  15. OBDLink adapter selection article
  16. OBDLink app, App Store listing with its lookup data, and Google Play
  17. BlueDriver home page
  18. BlueDriver shop-all page
  19. BlueDriver Pro product page
  20. BlueDriver Pro Next-Gen product page
  21. BlueDriver -next-gen web address
  22. BlueDriver public product feed
  23. BlueDriver Next-Gen compatibility checker
  24. BlueDriver refund policy
  25. BlueDriver terms of service
  26. BlueDriver Help Center home
  27. Help Center: iPhone and iPad troubleshooting
  28. Help Center: device not pairing
  29. Help Center: Android troubleshooting
  30. Help Center: phone or tablet compatibility
  31. Help Center: LED colors
  32. Help Center: internet connection
  33. Help Center: live data guide
  34. Help Center: enhanced codes
  35. Help Center: vehicle identification
  36. Help Center: creating and deleting an account
  37. Help Center: resetting emissions tests
  38. BlueDriver app, App Store listing with its lookup data, and Google Play
  39. PulsCar checkout
  40. PulsCar Terms of Sale
  41. PulsCar scanner page
  42. PulsCar app, App Store listing with its lookup data, and Google Play
  43. PulsCar's NHTSA analysis, FIXD vs PulsCar
  44. California Air Resources Board, OBD II fact sheet
  45. Related pages on this site (linked for navigation; no figure in this article is taken from them): PulsCar vs BlueDriver, BlueDriver vs Autel vs FIXD, OBDLink MX+ review, PulsCar vs the OBDLink app, best app for the MX+
  46. Could not read: BlueDriver's classic Pro compatibility checker (the page would not load); FCC filings and Trustpilot were not attempted; three Help Center articles (two BMW, one Porsche) were not saved

How this page was built: every product fact was taken on 22 October 2026 from the makers' own properties (obdlink.com and support.obdlink.com, us.bluedriver.com and support.bluedriver.com, and PulsCar's own checkout and terms), plus Apple's public App Store lookup and the Google Play pages for the three apps. We tested no hardware, so which systems a unit reads on a particular car is answered only by each maker's coverage information. Makers change prices and terms without notice, so read the store page again before you order.

Prices verified: 22 October 2026 · Technical documents verified: 22 October 2026 · Reviewed quarterly

Bought one of these and found it read your car differently from what the pages promised, better or worse? Email [email protected] with the product, the car's year, make and model, and what it did or did not read.