Decibel Meter+ Sound Level dB
Noise Dosimeter · WHO & OSHA
About
This tool transforms your iPhone into a live sound level meter, displaying decibels with real-time minimum, average, and maximum readings. It offers frequency weighting options, noise dosimeter features based on WHO and OSHA standards, and logs noise events for analysis. Calibration is available to adjust for microphone variations.
What's New in Decibel Meter+ Sound Level dB
3.2.34
November 10, 2026
• Saved sessions are now one tap away: the new “Session log (n) ›” button under the controls opens your finished measurements with LAeq, Lmax, L10 and L90. After you pause, the summary card links there too. • Calibration − / + and the log buttons are larger, and screen readers now announce “calibration +1 dB” and the auto-stop switch by name.
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FAQ
Does Decibel Meter+ have ads?
Yes, Decibel Meter+ contains advertisements. The app is free to use, supported by ads.
What is the rating for Decibel Meter+?
Decibel Meter+ has a rating of 3.0 stars from 2 ratings.
What devices does Decibel Meter+ support?
Decibel Meter+ is supported on iPhone devices.
What is the age rating for Decibel Meter+?
Decibel Meter+ has an age rating of 17+, indicating mature content or themes.
How often is Decibel Meter+ updated?
The latest version of Decibel Meter+ was released on November 10, 2026, suggesting regular updates.
Can I use Decibel Meter+ for legal measurements?
No, the app states that a phone is not a certified sound level meter and readings should not be used for legal or compliance measurements.
Does Decibel Meter+ save audio recordings?
No, Decibel Meter+ does not save any audio. It only computes sound levels from the live microphone signal.
How does Decibel Meter+ handle microphone calibration?
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.
