226+ iOS apps curated and reviewed
If you already know Decibel X, this is the deeper bench. 226+ meter sound apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of May 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.7★ (156K) | No | Yes | Jul 2026 |
| 2 |  | Free | 4.6★ (36K) | Yes | Yes | Jul 2026 |
| 3 |  | Free | 4.7★ (16K) | No | No | Jul 2026 |
| 4 |  | Free | 4.7★ (54K) | No | Yes | Jul 2026 |
| 5 |  | Free | 4.9★ (7) | Yes | No | May 2026 |
| 6 |  | Free | 4.8★ (251) | Yes | No | Jul 2026 |
| 7 |  | Free | 4.6★ (4.5K) | No | Yes | Jul 2026 |
| 8 |  | Free | 4.3★ (222) | Yes | Yes | Jul 2026 |
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.
Transform your device into a professional sound level meter and audio analyzer. Measure ambient noise, monitor decibel levels, and visualize sound frequencies in real time. It also offers advanced sleep tracking with sound recognition to identify disruptions.
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.
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.
Measure environmental sound levels and display decibel values with detailed information. Track histories, view noise references, and pause/resume measurements easily. Offers a clear graphical representation of sound intensity.
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.
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.
Transform your smartphone into a precise sound measuring device. This app uses your phone's microphone to display real-time decibel levels with clear descriptions. Analyze sound over time, calibrate for accuracy, and share your findings easily.
Measure, record, and analyze sound levels in your environment. This app offers precision metering, noise elimination tools, hearing protection features, and home audio calibration. It provides detailed reports and can be used with device microphones or external ones.
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.
Measure and understand ambient noise levels with this intuitive tool. It provides instant decibel readings, logs historical data with notes, and offers visual and auditory representations of sound. Ideal for ensuring safety, monitoring environments, or protecting hearing.
Measure ambient noise levels and sound exposure duration in real-time. This app displays acoustic intensity in decibels with detailed visual reports and supports photo/video overlays with noise data. Protect your health from noise pollution.
Measure sound levels with your phone. This tool offers accurate decibel readings for private use, featuring a user-friendly design and detailed charts for understanding sound impact. It's a convenient way to gauge audio volumes around you.
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.
Measure sound volume in real-time with this app. It provides precise decibel readings, a visual timeline of sound fluctuations, and customizable calibration for accurate results. Ideal for monitoring noise levels in various environments.
Measure ambient sound levels with high precision and real-time updates. Get detailed reports and location-based measurements. This app offers a simple, secure interface for understanding noise levels around you.
Measure sound volume in decibels (dB) in real-time. The app displays the current sound level with explanations and offers calibration options for microphone accuracy. An Apple Watch version allows standalone sound measurement.
This application measures noise and sound levels using your device's microphone. It displays results in decibels on a logarithmic graph and allows for calibration to ensure accuracy. You can record minimum, average, and maximum sound levels.
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.
Measure ambient noise levels with this clear, simple, and accurate app. It helps you monitor hearing health by detecting noise types, analyzing sound pressure, and syncing data with your Health app. Features include recording, sharing, and adherence to OSHA/NIOSH standards.