249+ iOS apps curated and reviewed
Out of 249+ measure decibels free apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.6★ (3.2K) | No | No | Nov 2026 | |
| 2 |  | Free | 4.5★ (3.3K) | Yes | No | Nov 2026 | |
| 3 |  | Free | 4.7★ (17K) | No | No | Nov 2026 | |
| 4 |  | Free | 4.6★ (2.6K) | No | Yes | Nov 2026 | |
| 5 |  | Free | 4.6★ (164K) | No | Yes | Nov 2026 | |
| 6 |  | Free | 4.7★ (56K) | No | Yes | Nov 2026 | |
| 7 |  | Free | 4.0★ (1) | No | No | May 2026 | |
| 8 |  | Free | — | Yes | Yes | Sep 2026 |
This tool transforms your iPhone into a professional sound level meter. It accurately measures ambient noise levels, providing real-time decibel readings directly on your device.
This application measures and displays environmental noise levels in decibels. It offers various visual representations of the data, including gauges, graphs, and numerical readouts. Users can also save their measurement history.
This free app measures sound levels and noise exposure using your smartphone. Developed by acoustics experts, it provides professional-grade metrics and guidance on hearing protection and noise prevention.
