247+ iOS apps curated and reviewed
From beginner-friendly picks to power-user tools, our diagnostic tool app list covers 247+ iPhone apps updated through August 2026. Compare ratings, prices, and screenshots in one place.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 5.0★ (4) | No | No | May 2026 | |
| 2 |  | Free | 4.8★ (38K) | No | Yes | Sep 2026 | |
| 3 |  | Free | — | No | No | May 2026 | |
| 4 |  | Free | 4.6★ (14K) | No | No | Sep 2026 | |
| 5 |  | Free | 2.9★ (83) | No | No | Aug 2026 | |
| 6 |  | Free | 5.0★ (1) | No | No | Aug 2026 | |
| 7 |  | Free | 2.0★ (18) | No | No | Sep 2026 | |
| 8 |  | Free | 5.0★ (1) | No | No | May 2026 |
Quickly resolve error codes for Control Techniques' drives with this tool. It includes wiring diagrams for setup and fault finding, plus direct access to global technical support contact information.
This app provides comprehensive vehicle care and repair information for car and truck owners, DIYers, and technicians. It offers diagnostic capabilities with compatible OBD2 scanners and a vast database of verified fixes from ASE Master Technicians. Users can also access free vehicle maintenance information and schedule repairs.
