QuietLab: Noise Detector

Content rating
Everyone
10+
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Content rating
Everyone
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About this app

QuietLab is an app that uses your iPhone's microphone to measure decibels.
- Main functions
• Real-time sound level measurement (dB).
• Display the minimum value, maximum value, and average value.
• Noise level time curves for convenient detailed analysis.
• Can run in the background or in screen-off mode.
• Timer option
- Applicable to:
• Monitor ambient noise levels at home, in the workplace, or during activities.
• Check the levels of traffic, music, or mechanical noise.
Updated on
Nov 30, 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
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No data collected
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What’s new

QuietLab is a noise level meter (decibel meter) that uses the iPhone's microphone to measure sound intensity in real time. This is CoreLoop Co., Ltd.'s first attempt at an audio app, and we hope to offer it for free to users and improve our ability to optimise audio apps through user feedback.