Sound Decibel Meter

Contains adsIn-app purchases
4.7
582K reviews
10M+
Downloads
Content rating
Everyone
Enjoy this app for free, plus many more free of ads and in-app purchases, with a Google Play Pass subscription. Learn more
Screenshot image
Screenshot image

About this app

Want to measure sound level? This is smart sound level meter app for Android!
Our decibel meter uses your built-in microphone to measure sound volume in decibels (dB) and also displays samples on helpful graph.

NOTE: Microphones in most devices are aligned to human voice and the maximum values are limited by the hardware. Very loud sounds (~90 dB and more) may not be recognized. Automatic gain control used in some devices may interfere with the operation of this noise meter.


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Updated on
Mar 17, 2026

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
Learn more about how developers declare sharing
No data collected
Learn more about how developers declare collection
Data is encrypted in transit
Data can’t be deleted

Ratings and reviews

4.7
572K reviews
Robert Friesen
March 17, 2026
Wow, I never knew that someone could pack so many ads into an app. if you're looking for a free sound meter app, I would look elsewhere. if you're willing to pay, this might be a good choice. But then I wouldn't know if it's a good choice because the ads were so invasive that I never really got a chance to use it. you can't do a single thing without an ad popping up. I half expected the thing to pop up an add every time I looked at the screen.
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Theresa Dickerson
February 21, 2026
Very good. This is the 3rd one I installed and it's a keeper. Exactly what I needed. Update...the meter still works well, but ads pop up every few minutes and the only way to get rid of them is to close out of the app (or just wait for them to play) It's very annoying and I'll be looking for another app
3 people found this review helpful
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Nic Sievers
December 5, 2024
Ads, ads, and more ads. I don't mind an ad to support something, but this might be the most ad intensive app i have ever used. Banner ad at the bottom, then every 30 seconds, a full screen ad comes up, and guess what? Most of the those have sound! That, of course, breaks up your sound testing. Takes two clicks to close the ad, tapping on your phone will record sound and mess with your capture graph again. Insane. No thanks.
124 people found this review helpful
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What’s new

Usability improvements and minor bug fixes.