250+ iOS apps curated and reviewed
The best engine sound diagnostic apps on iPhone average 3.9★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated September 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 5.0★ (2) | Yes | Yes | Sep 2026 | |
| 2 |  | Free | — | No | No | Aug 2026 | |
| 3 |  | Free | 3.3★ (7) | Yes | Yes | Aug 2026 | |
| 4 |  | Free | — | No | No | Jun 2026 | |
| 5 |  | Free | — | Yes | No | Sep 2026 | |
| 6 |  | Free | 4.2★ (5) | No | Yes | Aug 2026 | |
| 7 |  | Free | — | No | No | Sep 2026 | |
| 8 |  | Free | — | No | No | Aug 2026 |
Analyze your vehicle's engine health by recording its sound. This AI-powered tool provides a basic diagnosis and can unlock deeper repair insights with an optional premium report. It also helps manage vehicle maintenance and find service locations.
This app uses AI to analyze car sounds, providing insights into potential issues, estimated repair costs, and urgency. It helps track car problems over time, compare symptoms, and understand trends for smarter maintenance and proactive ownership.
