250+ iOS apps curated and reviewed
Looking for free hz frequency measure apps? 18 of our 250+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.5★ (166) | No | Yes | Sep 2026 | |
| 2 |  | Free | 3.3★ (6) | Yes | No | Aug 2026 | |
| 3 |  | Free | 4.4★ (8) | No | No | Jul 2026 | |
| 4 |  | Free | 5.0★ (5) | No | Yes | Sep 2026 | |
| 5 |  | Free | — | No | Yes | Aug 2026 | |
| 6 |  | Free | 4.6★ (162K) | No | Yes | Sep 2026 | |
| 7 |  | Free | 4.7★ (54K) | No | Yes | Sep 2026 | |
| 8 |  | Free | 4.5★ (3K) | No | Yes | Sep 2026 |
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.
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.
Visualize sound waves in real-time by detecting and displaying their frequencies in Hertz. Experience an augmented reality view of the audio environment around you.
