AndrOBD: The Free and Open-Source OBD-II Scanner for Android That Actually Works
Looking for a free and open-source OBD2 scanner for Android? AndrOBD lets you read fault codes, monitor live data, log sessions, and control your car’s diagnostics from your phone. Works with any ELM327 adapter. no ads, no paywalls.
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If you've ever been stuck wondering why that annoying "Check Engine" light won't go off, or wanted to diagnose your car without paying $100 at the shop, then AndrOBD is the app you’ve been waiting for.
This free, open-source Android app connects directly to your car's OBD-II system using an inexpensive ELM327 Bluetooth adapter, and gives you full access to real-time diagnostic data via Bluetooth, USB, or WiFi, all in one clean, easy-to-use interface.
What Can AndrOBD Do?
Forget bloated apps with fake features, AndrOBD is built for real users who want to understand what’s going on under the hood (literally).
Here's what it does:
1- Read and Clear Fault Codes (DTCs)
Pull Diagnostic Trouble Codes straight from your car’s ECU and clear them once the issue is fixed, no mechanic required.
2- Live Sensor Data Monitoring
Track key metrics in real time like:
- RPM
- Vehicle speed
- Coolant temperature
- Throttle position
- Fuel level
- Intake air temperature
… and more, all from your smartphone screen.
Hazem Abbas
3- Data Logging & CSV Export
Record your driving sessions and export logs as CSV files for further analysis, which makes it great for tuning, troubleshooting, or just geeking out.
4- Day/Night Mode + Dashboard View
Switch between light and dark themes, and keep track of vital signs using the Heads-Up Display (HUD) or interactive data charts.
5- Freeze Frame & Vehicle Info
With this amazing feature, you can see exactly what conditions triggered a fault code, and pull vehicle identification info without needing to visit a service center.
6- Plugin Support
Expand functionality through plugins for deeper integration and advanced diagnostics.
Why You’ll Love AndrOBD
There are tons of OBD-II scanning apps out there, but most are filled with ads, paywalls, or just don’t work properly. AndrOBD stands out because:
Totally Free & Open Source
No hidden costs, no premium upgrades. Built by developer fr3ts0n and supported through donations. You can even check and contribute to the source code on GitHub.
Works on All Android Devices
Whether you're using a budget phone or the latest flagship, AndrOBD runs smoothly and reliably.
Active Community & Support
Join the official Telegram group, report bugs on GitHub, and get help from a passionate user base.
Who Is This For?
Perfect for:
- DIY Mechanics looking to diagnose and fix their own cars
- Car Enthusiasts who love tuning and tinkering
- Budget Savers tired of paying for overpriced scan tools
- Tech-Savvy Drivers who want full access to their car’s health
All you need is an ELM327 adapter (under $10 online), an Android phone, and this app, and you’re ready to start diagnosing like a pro.
Download AndrOBD Today
Ready to take control of your car diagnostics?
- 📥 Download AndrOBD on F-Droid
- 💻 View Source Code on GitHub
- 📘 Check Out the Wiki for Full Documentation
Say goodbye to expensive tools and hello to true open-source freedom with AndrOBD.
Frequently Asked Questions (FAQ)
Q: Is AndrOBD really free?
A: Yes! No in-app purchases, no ads, no locked features, 100% free and open-source.
Q: Does AndrOBD work with any car?
A: It works with any vehicle that supports the OBD-II standard, which includes most cars made after 1996 in the US and 2001 in Europe.
Q: What do I need to use AndrOBD?
A: A compatible Android device and an ELM327 OBD-II adapter (via Bluetooth, USB, or WiFi).
Q: Can I log and export sensor data?
A: Absolutely! You can record live data and export it as CSV files for later analysis.
Q: How do I support the project?
A: You can support development by contributing to the code on GitHub or making a donation via PayPal or Bitcoin.
Q: Is there community support available?
A: Yes! Join the Telegram chat for discussions and updates, or file issues on GitHub if you find a bug.
License: GNU General Public License v3.0
Built by: fr3ts0n
Supported Platforms: Android
Connects via: Bluetooth, USB, WiFi (with ELM327 adapter)
Start diagnosing smarter, not harde, with AndrOBD today.
