247+ iOS apps curated and reviewed
Every iPhone needs a few good hertz frequency measure apps. We benchmark 247+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 3.3★ (6) | Yes | No | Oct 2026 | |
| 2 |  | Free | 4.7★ (340) | Yes | No | Oct 2026 | |
| 3 |  | Free | — | No | No | Jul 2026 | |
| 4 |  | Free | 4.5★ (169) | No | Yes | Oct 2026 | |
| 5 |  | Free | 4.6★ (163K) | No | Yes | Oct 2026 | |
| 6 |  | Free | 4.3★ (20) | No | Yes | Oct 2026 | |
| 7 |  | Free | 4.5★ (4.8K) | Yes | Yes | Oct 2026 | |
| 8 |  | Free | — | Yes | No | Aug 2026 |
This app transforms your iPhone into a powerful audio analyzer. It offers four distinct modes to measure sound frequencies, tune instruments, analyze motor speeds, and check mains stability. Advanced features include measurement history, comparison tools, and CSV export.
Generate various sound waves, including sine, square, sawtooth, and triangle, with adjustable frequencies from 1Hz to 22000Hz. Visually observe animated sound waves and control volume. Useful for testing hearing, speakers, instruments, and even cleaning water from speakers.
