245+ iOS apps curated and reviewed
If you already know OBDII Trouble Codes Lite, this is the deeper bench. 245+ obdii code apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of September 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 2.1★ (7) | Yes | Yes | Aug 2026 | |
| 2 |  | $3.99 | — | No | No | Jul 2026 | |
| 3 |  | Free | 3.4★ (5) | No | Yes | Aug 2026 | |
| 4 |  | Free | 5.0★ (1) | No | Yes | Aug 2026 | |
| 5 |  | Free | — | No | No | Sep 2026 | |
| 6 |  | Free | 3.4★ (5) | No | No | Aug 2026 | |
| 7 |  | Free | — | No | No | Sep 2026 | |
| 8 |  | Free | 3.7★ (3) | Yes | Yes | Aug 2026 |
Access a comprehensive database of OBD II diagnostic trouble codes. Quickly look up definitions for generic and manufacturer-specific codes without an internet connection. Easily copy and share code descriptions.
Access a comprehensive offline database of over 18,500 diagnostic trouble codes for cars. Simply enter a fault code to get detailed descriptions without needing an internet connection or car model selection.
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.
