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.






247+ iOS apps curated and reviewed
With an average user rating of 4.2★, the frequency meter audio category is one of the App Store's strongest. Browse all 247+ apps we track, sorted so the most loved ones surface first.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 4.5★ (168) | No | Yes | Sep 2026 | ||
| 2 | Free | 4.7★ (340) | Yes | No | Sep 2026 | ||
| 3 | Free | — | No | No | Sep 2026 | ||
| 4 | Free | 4.5★ (3K) | No | Yes | Sep 2026 | ||
| 5 | Free | 3.3★ (6) | Yes | No | Aug 2026 | ||
| 6 | $2.99 | 1.7★ (29) | No | No | Jul 2026 | ||
| 7 | Free | 4.5★ (17) | No | Yes | Sep 2026 | ||
| 8 | Free | 4.9★ (10) | No | Yes | Oct 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.



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.




