AutoCheck OBD
OBD2 Scanner & Fault Codes
Only for iPhone
Free · Designed for iPhone. Not verified for macOS.
iPhone
Read and clear check-engine codes, watch live engine data, and share full diagnostic reports — from your iPhone with any ELM327 Wi-Fi or Bluetooth OBD2 adapter.
AutoCheck OBD turns your iPhone into a professional-grade OBD-II scanner. Connect any ELM327-compatible adapter over Wi-Fi or Bluetooth and see what your car's computer is really doing — in real time.
DIAGNOSE THE CHECK ENGINE LIGHT
• Read and clear diagnostic trouble codes (DTCs)
• Clear, plain-language descriptions with likely causes and symptoms
• Freeze-frame data captured at the moment the fault occurred
LIVE ENGINE DATA
• RPM, speed, coolant temperature, engine load and throttle position
• Fuel level, intake air temperature, MAF, timing advance and more
• A clean, easy-to-read dashboard that updates as you drive
BUILT FOR EVERY DRIVER
• Works with inexpensive ELM327 Wi-Fi and Bluetooth adapters
• Share a complete diagnostic report as a PDF
• Demo Mode lets you explore every feature with no adapter connected
• Available in 11 languages, matching your device automatically
Whether you're inspecting a used car, chasing down a warning light, or just curious about what's under the hood, AutoCheck OBD gives you real answers — no expensive shop tools required.
Note: Requires an ELM327-compatible OBD-II adapter (sold separately).
Ratings & Reviews
This update adds 9 new languages: Arabic, German, French, Hindi, Japanese, Polish, Brazilian Portuguese, Russian, and Turkish. AutoCheck OBD now automatically matches your device language on first launch, and you can switch languages any time in Settings.
Also includes bug fixes and performance improvements. Thanks for using AutoCheck OBD!
The developer, Subin Revi, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Subin Revi
- Size
- 4.4 MB
- Category
- Utilities
- Compatibility
Requires iOS 18.1 or later.
- iPhone
Requires iOS 18.1 or later. - Mac
Requires macOS 15.1 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 2.1 or later.
- iPhone
- Languages
English and 10 more
- English, Arabic, French, German, Hindi, Japanese, Polish, Portuguese, Russian, Spanish, Turkish
- Age Rating
13+
- 13+
- Copyright
- © 2026 Subin Revi