249+ iOS apps curated and reviewed
The best free sound meter apps on iPhone average 4.4★ across 249+ titles — we've ranked them by what real users actually keep on their phones. Updated August 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.5★ (3.1K) | Yes | No | Aug 2026 |
| 2 |  | Free | 4.7★ (54K) | No | Yes | Aug 2026 |
| 3 |  | Free | 4.7★ (17K) | No | No | Aug 2026 |
| 4 |  | Free | 4.6★ (161K) | No | Yes | Aug 2026 |
| 5 |  | Free | 4.4★ (33) | No | Yes | Aug 2026 |
| 6 |  | Free | — | Yes | No | Aug 2026 |
| 7 |  | Free | 4.7★ (404) | Yes | No | Aug 2026 |
| 8 |  | Free was $0.99 | 5.0★ (1) | No | No | May 2026 |
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.
Monitor your surroundings with this decibel meter app. It measures sound levels in real-time, providing clear visual analysis and advanced filtering options. Easily share your readings for documentation or further analysis.
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.
This app transforms your device into a professional sound level meter, precisely measuring ambient noise pressure. It offers advanced features like frequency analysis, historical data management, and dosimeter functions, making it useful for various applications and entertainment.
Analyze and record sound levels in real-time with precise decibel readings. Monitor your auditory environment, set custom alerts for exceeding thresholds, and track historical data for insights into audio patterns. Ideal for professionals and curious individuals alike.
Measure ambient noise levels in decibels (dB) with this straightforward tool. It displays real-time sound volume in a large, easy-to-read format and allows you to track minimum, average, and maximum values. Customize the background and text colors for a personalized experience.
This utility app provides a straightforward live measurement of ambient sound levels. Simply press start to begin measuring and stop to end. It offers a real-time display without recording or graphing historical data.
Measure and track sound levels in real-time with this user-friendly decibel meter. Log historical data, integrate with Apple Health, and gain insights into your sound environment. Includes a white noise generator for focused listening.
Measure and record environmental noise levels with this sound meter app. It displays real-time decibel readings with audio visualization and historical graphs. You can also record and play back audio clips directly within the application.
Measure and analyze the sound pressure around you with this app. It provides spectrum frequency analysis and allows you to compare your recordings to a reference chart. Save your measurement history for future reference.
This utility app measures ambient sound levels in real-time, providing precise decibel readings. It offers features like location tagging, a decibel camera, and the ability to record, export measurement history, and audio data.
This utility app measures and displays environmental noise levels in decibels. It offers various visual representations of sound data, including gauges, graphs, and min/avg/max values. The app allows for device calibration to improve accuracy, though it notes limitations with very loud sounds.