Transform your iPhone into a comprehensive car diagnostic tool. Monitor real-time engine data, read and clear trouble codes, track performance, and manage vehicle maintenance. Offers a demo mode for exploration before hardware purchase.




240+ iOS apps curated and reviewed
If you already know OBD2 Car Scanner ELM 327 DTC, this is the deeper bench. 240+ obd2 car scanner elm 327 dtc apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of November 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 1.0★ (1) | No | Yes | Nov 2026 | ||
| 2 | Free | 3.6★ (11) | No | Yes | Nov 2026 | ||
| 3 | Free | 4.6★ (5.2K) | No | Yes | Nov 2026 | ||
| 4 | Free | 4.7★ (10) | No | Yes | Nov 2026 | ||
| 5 | Free | 4.8★ (33K) | Yes | Yes | Nov 2026 | ||
| 6 | Free | 4.6★ (1.1K) | Yes | Yes | Nov 2026 | ||
| 7 | Free | 4.7★ (39) | Yes | Yes | Oct 2026 | ||
| 8 | Free | 4.6★ (47) | No | Yes | Nov 2026 |




Transform your iPhone into a comprehensive car diagnostic tool. Monitor real-time engine data, read and clear trouble codes, track performance, and manage vehicle maintenance. Offers a demo mode for exploration before hardware purchase.






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.






Turn your smartphone into a professional OBD2 diagnostic tool. Monitor engine torque, read and clear fault codes, and access real-time vehicle sensor data. Supports a wide range of vehicles and ELM327 adapters.