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.





248+ iOS apps curated and reviewed
The best sound measure wave apps on iPhone average 4.3★ across 248+ titles — we've ranked them by what real users actually keep on their phones. Updated September 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 5.0★ (3) | No | Yes | Sep 2026 | ||
| 2 | Free | 4.5★ (58) | No | Yes | Sep 2026 | ||
| 3 | Free | 4.5★ (8) | No | Yes | Sep 2026 | ||
| 4 | Free | 4.4★ (8) | No | No | Jul 2026 | ||
| 5 | Free | 2.0★ (4) | Yes | Yes | May 2026 | ||
| 6 | Free | 4.5★ (3.1K) | Yes | No | Sep 2026 | ||
| 7 | Free | 4.1★ (412) | No | Yes | Sep 2026 | ||
| 8 | Free | — | No | No | Jul 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.






Transform your phone into a professional sound level meter to measure decibel and hertz levels in real-time. Track environmental noise, set custom alerts for safe sound thresholds, and log data for later review. Features include graphical analysis and calibration options for accuracy.





This app offers audio-based tools to help maintain your device's speakers. It provides sound frequencies to assist with dust and moisture removal and allows you to test speaker performance, including stereo output and channel balance.