240+ iOS apps curated and reviewed
The best obd2 code apps on iPhone average 3.3★ across 240+ titles — we've ranked them by what real users actually keep on their phones. Updated October 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 3.3★ (3) | No | No | Oct 2026 | |
| 2 |  | Free | 4.6★ (5.2K) | No | Yes | Oct 2026 | |
| 3 |  | Free | 4.1★ (2.7K) | No | No | Oct 2026 | |
| 4 |  | Free | 2.8★ (15) | No | No | Sep 2026 | |
| 5 |  | Free | 1.0★ (6) | No | No | Sep 2026 | |
| 6 |  | Free | 3.3★ (308) | No | No | Oct 2026 | |
| 7 |  | Free | — | Yes | Yes | May 2026 | |
| 8 |  | Free | — | Yes | Yes | Sep 2026 |
This app serves as a reference for standard Diagnostic Trouble Codes (DTCs). It helps users understand fault codes generated by a vehicle's onboard computer, aiding in problem diagnosis.
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.
This app translates and explains car error codes in Arabic. It helps you diagnose vehicle issues without needing to visit a mechanic, providing detailed Arabic explanations for OBD codes.
