Measure and monitor sound levels in decibels using your device's microphone. Receive alerts for high noise levels, track historical data, and calibrate for accuracy. Unlock advanced features with a subscription for professional sound analysis.





245+ iOS apps curated and reviewed
Decibel Meter is the household name in sound measure frequency, but it's far from the only option. We track 245+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 5.0★ (3) | No | Yes | Sep 2026 | ||
| 2 | Free | 4.7★ (340) | Yes | No | Sep 2026 | ||
| 3 | Free | 4.5★ (168) | No | Yes | Sep 2026 | ||
| 4 | Free | 4.7★ (54K) | No | Yes | Sep 2026 | ||
| 5 | Free | 4.5★ (17) | No | Yes | Sep 2026 | ||
| 6 | Free | 3.3★ (6) | Yes | No | Aug 2026 | ||
| 7 | Free | 3.6★ (42) | No | Yes | Sep 2026 | ||
| 8 | Free | — | No | No | Sep 2026 |





Measure and monitor sound levels in decibels using your device's microphone. Receive alerts for high noise levels, track historical data, and calibrate for accuracy. Unlock advanced features with a subscription for professional sound analysis.



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.






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.