250+ iOS apps curated and reviewed
Out of 250+ hz frequency reader apps on iOS, 18 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 3.3★ (6) | Yes | No | Aug 2026 | |
| 2 |  | Free | 4.6★ (162K) | No | Yes | Sep 2026 | |
| 3 |  | Free | 4.5★ (166) | No | Yes | Sep 2026 | |
| 4 |  | Free | 4.7★ (340) | Yes | No | Sep 2026 | |
| 5 |  | Free | 4.4★ (8) | No | No | Jul 2026 | |
| 6 |  | Free | 4.7★ (54K) | No | Yes | Sep 2026 | |
| 7 |  | Free | 5.0★ (1) | Yes | Yes | Sep 2026 | |
| 8 |  | Free | 5.0★ (3) | No | Yes | Sep 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.
This app transforms your device into a professional sound level meter, precisely measuring ambient noise pressure. It offers advanced features like frequency analysis, historical data management, and dosimeter functions, making it useful for various applications and entertainment.
Transform your device into a professional audio analysis tool with advanced FFT analysis, SPL monitoring, and detailed visualizations. Record, analyze, and export audio data with precision calibration and multiple weighting filters.
