250+ iOS apps curated and reviewed
The best spl meter apps on iPhone average 4.7★ across 250+ 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 | 4.6★ (161K) | No | Yes | Aug 2026 |
| 2 |  | Free | 4.7★ (17K) | No | No | Aug 2026 |
| 3 |  | Free | 4.6★ (36K) | No | Yes | Aug 2026 |
| 4 |  | $0.99 | 4.1★ (27) | No | Yes | Aug 2026 |
| 5 |  | Free | 4.9★ (14) | No | Yes | Jun 2026 |
| 6 |  | Free | 4.7★ (54K) | No | Yes | Aug 2026 |
| 7 |  | Free | — | Yes | No | Aug 2026 |
| 8 |  | Free | — | Yes | No | Aug 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.
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.
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 application functions as a professional-grade sound level meter, measuring decibels (dB) with advanced DSP algorithms. It offers adjustable filters, decay rates, and ranges, and can be calibrated for accuracy. It supports both internal and external microphones for versatile sound measurement.
Transform your device into a professional sound level meter to measure decibels in real-time. Monitor noise levels, visualize sound frequencies, and track your exposure to ensure safe hearing limits.
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 app transforms your iOS device into a professional sound level meter. It precisely measures ambient sound pressure levels using built-in or external microphones, offering various filter and time detector combinations for accurate acoustic analysis.
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 utility app uses your device's microphone to measure ambient noise levels in decibels. It displays readings with graphical representations and provides historical data like minimum, average, and maximum values. Calibration options are available for different devices.
Instantly measure sound levels with a real-time analog gauge. Analyze noise with average, peak, and time-averaged readings. Features include low-frequency indication and on-device calibration for accuracy. Works offline without internet.
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 environmental noise levels and display decibel values in various formats. This smart sound meter app features a tidy graphic design and provides real-time noise detection using your mobile microphone. It offers clear visualizations of sound levels and includes helpful information about decibel measurements.
This app provides real-time decibel readings, sound level monitoring, and voice-activated noise recording. It allows users to document noise levels with video evidence, including decibel watermarks and timestamps, all processed on-device for privacy.
This application transforms your device into a real-time sound level meter. It accurately measures and analyzes ambient noise in decibels and frequency, helping you monitor your surroundings and maintain safe sound levels.
Transform your device into a precision sound pressure level meter. Analyze real-time A- and C-weighted measurements, view live spectrum analysis, and utilize flexible input options for accurate audio monitoring.
This app offers professional acoustic measurement tools, including real-time spectrum analysis, sound level metering, and audio file inspection. It provides advanced features for noise monitoring, live sound engineering, and broadcast/podcast analysis, with a free version and an optional Pro upgrade.