249+ iOS apps curated and reviewed
If you already know Decibel X, this is the deeper bench. 249+ db spl meter apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of July 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.7★ (160K) | No | Yes | Aug 2026 |
| 2 |  | Free | 4.9★ (7) | No | No | Jul 2026 |
| 3 |  | Free | 4.6★ (36K) | No | Yes | Aug 2026 |
| 4 |  | Free | 4.7★ (17K) | No | No | Aug 2026 |
| 5 |  | $0.99 | 4.1★ (27) | No | Yes | Aug 2026 |
| 6 |  | Free | 4.6★ (308) | No | Yes | Aug 2026 |
| 7 |  | Free | — | No | Yes | Jul 2026 |
| 8 |  | Free | 5.0★ (1) | No | Yes | 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.
Measure real-time sound levels, monitor noise, and log environmental audio. Features include calibration, threshold alerts, audio recording, and frequency analysis. Ideal for quick checks at home, office, or studio.
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.
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.
This application measures sound levels in decibels using your device's microphone. It displays current, peak, and maximum SPL levels, with options to save measurements and view historical data through a graph histogram. The app allows for self-calibration to ensure accuracy.
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 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.
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 measures sound levels in decibels using your iPhone's microphone. It offers OSHA/NIOSH noise dose tracking, A/C/Z weighting, and calibration for accurate readings. Monitor workplace, neighborhood, or event noise with a clear, color-coded display.