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.






245+ iOS apps curated and reviewed
If you already know OBDII Scanner ELM327 OBD2, this is the deeper bench. 245+ scan code car apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of October 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 3.6★ (8) | No | Yes | Oct 2026 | ||
| 2 | Free | 4.7★ (39) | Yes | Yes | Oct 2026 | ||
| 3 | Free | 4.0★ (5) | No | Yes | Oct 2026 | ||
| 4 | Free | 1.0★ (1) | No | Yes | Oct 2026 | ||
| 5 | Free | 3.8★ (1.5K) | Yes | Yes | Oct 2026 | ||
| 6 | Free | 4.6★ (9.9K) | No | Yes | Oct 2026 | ||
| 7 | Free | 4.9★ (29) | Yes | Yes | Oct 2026 | ||
| 8 | Free | 5.0★ (4) | No | Yes | 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.






This app functions as a universal vehicle scanner using the OBD2 standard. It connects to your car via WiFi or Bluetooth 4.0 LE adapters to diagnose and scan electronic control modules. Users need a compatible ELM327 adapter to utilize its diagnostic capabilities.






Transform your smartphone into a professional car diagnostic tool. This app reads and clears trouble codes, monitors live engine data, and uses AI to explain issues and provide repair guidance. It works with most vehicles and OBD2 adapters.