249+ iOS apps curated and reviewed
Frequency Counter Hz Tuner is the household name in frequency meter, but it's far from the only option. We track 249+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 3.3★ (6) | Yes | No | Oct 2026 | |
| 2 |  | Free | 4.5★ (187) | No | Yes | Nov 2026 | |
| 3 |  | Free | 4.6★ (164K) | No | Yes | Nov 2026 | |
| 4 |  | Free | 4.6★ (4.7K) | No | Yes | Nov 2026 | |
| 5 |  | Free | — | No | No | Jul 2026 | |
| 6 |  | Free | 4.4★ (23) | No | Yes | Oct 2026 | |
| 7 |  | Free | 4.8★ (6) | No | Yes | Oct 2026 | |
| 8 |  | Free | 4.7★ (1.2K) | Yes | No | Oct 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.
Transform your device into a professional audio analysis tool with real-time FFT, SPL monitoring, and advanced visualization. Record, analyze, and export high-quality audio and video data for various acoustic applications.
This tool transforms your device into a professional sound level meter, offering precise measurements of ambient noise. It features advanced calibration, frequency analysis, and data management for various applications, from personal curiosity to professional use.
