OBDLink (OBD car diagnostics)

In-app purchases
4.7
18.8K reviews
Content rating
Everyone
1M+
Downloads
Content rating
Everyone
Learn more
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About this app

***The OBDLink app exclusively works with these adapters***
- OBDLink MX+
- OBDLink EX USB (with Android 3.1 or newer)
- OBDLink CX
- OBDLink LX Bluetooth
- OBDLink SX USB (with Android 3.1 or newer)
- OBDLink Bluetooth
- OBDLink MX Bluetooth
- OBDLink MX Wi-Fi
- OBDLink WiFi
***The app will NOT work with any other brand of OBD adapter.***

Turn your phone or tablet into a full-fledged diagnostic scan tool: read diagnostic trouble codes, clear the "Check Engine" light, check emissions readiness, estimate fuel economy and much more!

Key features:

- Check and clear diagnostic trouble codes
- Read freeze frame data
- Display real-time data (over 90 parameters!)
- Customizable dashboards
- Emissions readiness for each US state
- Fuel economy MPG, l/100km or km/l calculation
- Multiple trip meters
- Log data to CSV format (compatible with Excel)
- Retrieve vehicle information including VIN number and calibration ID
- Oxygen Sensor Results (Mode $05)
- On-board Monitoring Tests (Mode $06)
- In-performance Tracking Counters (Mode $09)
- GPS tracking - plot vehicle parameters on a map in real-time
- Full diagnostic report that can be e-mailed
- English and Metric units
- Free unlimited updates
- Ad-free
Updated on
Apr 15, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
Location, App activity and 2 others
This app may collect these data types
Location, Personal info and 3 others
Data is encrypted in transit
Data can’t be deleted

Ratings and reviews

4.7
17.5K reviews
MrPete
March 14, 2023
Once I purchased the $15 enhanced features for my Prius, this is the ONLY non-Techstream app I have found that can pull, view, and clear ALL codes. Incredible value. Now, if only it could provide... * Ability to display a couple dozen sensor values on a single screen report * Ability to attach different ECUs to different display pages, to make it easier to look at various data sets. I can get all the data to be sure, but it is not easy.
23 people found this review helpful
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A Google user
July 13, 2023
Tool has worked well enough for 5+ years. Intermittent connection issues here and there, learned a few things. Can't seem to use mobile data while connected to it... On any device. MX Wi-Fi Version I was hoping for firmware update, but it appears to be pretty much unsupported at this point. Still works with this app, I'm just factory resetting the device nearly everytime i need to connect to it. Still useful and well supported by the application. Best money I ever spent. Thanks for the product!
30 people found this review helpful
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C Boyd
July 1, 2021
Annoying and unnecessary registration requirement. Since a wifi OBD2 device is used as the default gateway, you can't connect to the internet to submit the registration! Regardless, there's probably a play store API for getting customer demographics and you can whitelist the supported devices ... your developer should investigate how to make this work and not hassle the end user. No other app that I've used has this "feature". It's not a great customer experience.
12 people found this review helpful
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What’s new

- Added a new Manufacturer PID type that includes some enhanced PID definitions for GM vehicles.
- Added the ability to export/import individual dashboards.
- Added the ability to reference enhanced PIDs in user PID equations. An enhanced add-on is required to read an enhanced PID.
- Added support for exporting user PID definitions.
- New user PID equations must now use a decimal point for decimals, even when the current culture uses a decimal comma.
- Graphing now supports cursors.
Content rating
Everyone
Learn more

App support

Phone number
+16235822366
About the developer
OBD SOLUTIONS, LLC
app.support@obdlink.com
11048 N 23RD Ave Ste 101 Phoenix, AZ 85029-4835 United States
+1 623-582-2366

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