This utility app connects to your vehicle's onboard diagnostics system via an ELM327 WiFi adapter. It allows you to check your car's version and supported protocols, and includes example commands for troubleshooting.





250+ iOS apps curated and reviewed
If you already know ELM327 WiFi Diagnostic, this is the deeper bench. 250+ elm327 wifi diagnostic apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of August 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | 1.0★ (1) | No | No | May 2026 | |
| 2 | Free | 4.8★ (32K) | Yes | Yes | Aug 2026 | |
| 3 | Free | 4.6★ (5K) | No | Yes | Aug 2026 | |
| 4 | Free | — | No | No | May 2026 | |
| 5 | Free | 2.5★ (14) | No | No | May 2026 | |
| 6 | Free | 4.6★ (48) | No | Yes | Aug 2026 | |
| 7 | Free | 4.5★ (270) | No | Yes | Aug 2026 | |
| 8 | Free | — | No | No | Aug 2026 |





This utility app connects to your vehicle's onboard diagnostics system via an ELM327 WiFi adapter. It allows you to check your car's version and supported protocols, and includes example commands for troubleshooting.






Monitor your car's performance, diagnose engine issues, and view sensor data in real-time. Customize your dashboard with gauges and charts, and reset fault codes. Supports a wide range of vehicles and offers advanced features for specific car brands.






Transform your smartphone into a professional car diagnostic tool. Read and clear engine fault codes, monitor real-time sensor data, and perform advanced diagnostics without a mechanic. Supports a wide range of OBD2 compliant vehicles.




This application verifies the version of your ELM327 WiFi device for car diagnostics. It supports a wide range of ELM327 versions, ensuring compatibility with various diagnostic tools.


Transform your smartphone into a comprehensive car diagnostic tool. Read and clear trouble codes, monitor real-time vehicle performance, and customize your dashboard for a deeper understanding of your car's health. Includes free engine diagnostics with optional advanced features for specific brands.


Monitor your vehicle's health and performance with this app. It offers real-time diagnostics, driving style analysis, and maintenance tracking. Connect to your car's OBD2 scanner for detailed insights and improved driving habits.






Connect to your car's OBD2 system using an ELM327 WiFi device. This utility allows you to send AT commands and scan car data. It's compatible with all OBD2-equipped vehicles and ELM327 WiFi devices.












Transform your smartphone into a powerful OBD2 diagnostic tool. Read and clear fault codes, monitor real-time performance metrics, and test your vehicle's acceleration and emissions. Compatible with a wide range of car brands and OBD2 scanners.


Optimize your Wi-Fi network performance with this free app. It helps you detect and connect to networks, scan for devices, test speeds, and improve signal strength by relocating access points.





