249+ iOS apps curated and reviewed
Decibel is the household name in decibel counting, but it's far from the only option. We track 249+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 3.5★ (475) | No | No | Oct 2026 | |
| 2 |  | Free | 4.1★ (412) | No | Yes | Oct 2026 | |
| 3 |  | Free | 3.0★ (3) | No | Yes | Oct 2026 | |
| 4 |  | Free | 4.6★ (3.2K) | No | No | Oct 2026 | |
| 5 |  | Free | 4.7★ (43) | Yes | No | Oct 2026 | |
| 6 |  | Free | — | Yes | No | Oct 2026 | |
| 7 |  | Free | 4.0★ (6) | Yes | Yes | Sep 2026 | |
| 8 |  | Free | 3.5★ (2) | No | Yes | May 2026 |
Transform your device into a professional sound meter to accurately measure ambient noise levels. Understand how loud your surroundings are, from quiet rooms to loud events, and learn about potential hearing risks.
Measure and analyze the sound pressure around you. Compare your recordings to a reference chart to understand noise levels, from normal conversations to rocket launches. Unlock advanced features like audio recording saving and active screen history with a subscription.
This app provides precise sound level measurements and audio analysis using professional weighting filters and real-time FFT spectrum analysis. It functions as a dosimeter for workplace safety and allows for easy sharing of dB data overlays on photos.
