This app allows you to scan your car's trouble codes and view live data using an OBD2 Bluetooth adapter. It logs statistics and freeze frames for future reference, storing all diagnostic trouble codes (DTCs) on a server.






67+ iOS apps curated and reviewed
With an average user rating of 3.9★, the elm 327 software category is one of the App Store's strongest. Browse all 67+ apps we track, sorted so the most loved ones surface first.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 3.6★ (8) | No | Yes | Oct 2026 | ||
| 2 | $9.99 | 3.0★ (88) | No | No | Oct 2026 | ||
| 3 | Free | 3.7★ (43) | No | Yes | Oct 2026 | ||
| 4 | Free | 4.3★ (25) | No | Yes | Oct 2026 | ||
| 5 | Free | 4.6★ (5.2K) | No | Yes | Nov 2026 | ||
| 6 | Free | — | No | No | Oct 2026 | ||
| 7 | Free | 3.1★ (14) | No | No | Oct 2026 | ||
| 8 | $4.99 | 4.0★ (155) | No | No | Oct 2026 |






This app allows you to scan your car's trouble codes and view live data using an OBD2 Bluetooth adapter. It logs statistics and freeze frames for future reference, storing all diagnostic trouble codes (DTCs) on a server.




Easily connect to your car's OBD2 port to monitor its performance in real-time. The app guides you through the connection process and supports various OBDII protocols for comprehensive diagnostics.





Diagnose your vehicle with this app. Read and clear trouble codes, monitor real-time engine data like speed and RPM, and manage multiple vehicles. Requires an ELM 327 Bluetooth OBD2 adapter.