246+ iOS apps curated and reviewed
Whether you're new to rpm gauge or looking for an upgrade, our curated collection of 246+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 3.3★ (11) | No | Yes | Aug 2026 | |
| 2 |  | Free | 4.2★ (5) | No | Yes | Oct 2026 | |
| 3 |  | Free | 5.0★ (1) | No | Yes | Sep 2026 | |
| 4 |  | Free | — | No | Yes | May 2026 | |
| 5 |  | Free | 4.4★ (1.7K) | Yes | Yes | Oct 2026 | |
| 6 |  | Free | 2.3★ (33) | Yes | Yes | Sep 2026 | |
| 7 |  | Free | 4.0★ (9) | No | No | Oct 2026 | |
| 8 |  | Free | 4.3★ (1.4K) | Yes | Yes | Oct 2026 |
This tool measures the rotational speed of motors, ideal for hobbyists working with drivable model cars. It features noise removal, speed conversion, and a memo panel for recording measurements. Customizable skins add a personal touch to the user experience.
Measure engine RPM from sound without any tools. Simply point your phone at the exhaust of various engines like motorcycles, cars, or lawn mowers to get accurate, real-time readings. The app automatically filters background noise and indicates signal quality for reliable measurements.
Estimate engine RPM using your iPhone's microphone without any extra hardware. Ideal for classic cars, motorcycles, and small engines, it provides real-time readings with confidence levels and measurement history.
