Decibel Meter+ Sound Level dB
Noise Dosimeter · WHO & OSHA
About
This tool transforms your iPhone into a live sound level meter, displaying decibel readings with minimum, average, and maximum values. It offers frequency weighting options and can track noise exposure over time based on WHO and OSHA standards. Log and share noise events, and calibrate the meter for accuracy.
What's New in Decibel Meter+ Sound Level dB
3.2.33
November 5, 2026
• Sound Noise Meter has been rebuilt on a newer, shared foundation; Start measuring and Session log work as before. • The first time you open it after installing, the meter appears with less waiting. • Where privacy choices apply in your region, you can reopen them from the Menu. • Your calibration, Session log and settings carry over unchanged.
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FAQ
Does Decibel Meter+ have ads?
Yes, Decibel Meter+ contains advertisements. The app is free to use, with ads supporting its development and features.
What is the rating for Decibel Meter+?
Decibel Meter+ has a rating of 3.0 stars based on 2 user reviews.
Is Decibel Meter+ available on Android?
Currently, Decibel Meter+ is only available for iPhone. It is designed to work with the iPhone's microphone.
How often is Decibel Meter+ updated?
The latest version of Decibel Meter+ was released on November 5, 2026, indicating regular updates to improve functionality and compatibility.
What is the age rating for Decibel Meter+?
Decibel Meter+ has an age rating of 17+, suggesting it may contain content or features not suitable for younger users.
Can Decibel Meter+ be used for legal measurements?
No, the app explicitly states that it is not a certified sound level meter and should not be used for legal or compliance measurements. It is intended for everyday checks and comparisons.
How does the calibration feature in Decibel Meter+ work?
Decibel Meter+ allows you to adjust the offset from -20 to +20 dB against a reference meter or use 'Quiet Cal' for an approximate reference in a quiet room. The app will inform you if the room is too loud for accurate calibration.
Does Decibel Meter+ save audio recordings?
No, Decibel Meter+ does not save any audio. It only computes sound levels from the live microphone signal without storing recordings.
