Sound Meter (SPL & dB meter) helps you measure environmental noise with real-time charts and detailed decibel metrics using your device’s microphone. It holds TOOLS rankings in SE (#106), PL (#145), and CH (#159) with a solid rating from thousands of reviewers. With more than 5,000,000+ total downloads and 94K downloads in the last 30 days, it shows strong, ongoing global interest.
Pros & Cons
Free to use with no upfront cost
Real-time charts and detailed dB metrics (min/max/avg)
Session timing, reset, and simple controls
Strong global presence with high rating and country rankings
Accuracy depends on the device microphone and is not a professional SPL meter.
About Sound meter : SPL & dB meter
Sound meter : SPL & dB meter is a tools app developed by KTW Apps.
Download Statistics
Sound meter : SPL & dB meter has been downloaded 6 million times. In the last 30 days, the app was downloaded 94 thousand times. It is ranked in the top 100 tools apps.
User Ratings
Sound meter : SPL & dB meter is rated 4.61 out of 5 stars. The rating is based on 52 thousand ratings.
App Information
Sound meter : SPL & dB meter is FREE to download. The APK download size is 6.35 MB. The latest version available is 11.5. The last update was on August 22, 2026.
Technical Requirements
Sound meter : SPL & dB meter requires Android 5.0+ or higher. The app has a content rating of Everyone. The app has been available on Google Play since December 2018.
Description
Sound Meter is also known as Sound Pressure Level meter (SPL meter) , noise level meter, decibel meter(dB meter), sound level meter or soundmeter.
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Comments on Sound meter : SPL & dB meter for Android
★★★★★Caitlyn Hebert· Aug 9, 2026
Has accurate frequency weighting for perceived human decibels. Dark mode is also very nice.
★★★★★Eric· Aug 13, 2026
I'm not going to lie this is probably the only app I've ever came across that actually works
★★★★★Noval Nuralif· Aug 9, 2026
Love the apps, very clean UI and doesn't push you with apps to use it. While it doesn't measure accurately for the sound level above 100db since it has something to do with the hardware, it is still good for normal test.
★★★★★James Campbell· Sep 16, 2026
I tried several apps for measuring sound volume and this is the only one that gave what I would call a correct reading.
★★★★★Behnam Darvishi· Jul 21, 2026
Simple, good ، only I need to know is this sound meter has standard certificate?
★☆☆☆☆David Brook· Sep 20, 2026
Tried this app for an hour or two until a full page warning came up stating my phone had been infected, and I needed to scan it. The only way I could close the page was to click on a button to enable that. A 'cancel' button was greyed out. Clicking took me to Google play store to download an app. I ignored that and ran both Samsung's and Nortons apps. No problem was found. Looks like an attempt to advertise a product using scare tactics. I deleted the app.
★☆☆☆☆Sam· Aug 30, 2026
Riddled with ads and dark design patterns that make you more likely to unintentionally tap/open ads e.g. they remove the bottom back and menu buttons on android, etc
★☆☆☆☆Brack 909· Aug 13, 2026
Wildly inaccurate. If you believed it's readings you would need earplugs whilst putting your socks on.
Google Play Rankings for Sound meter : SPL & dB meter
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Trust & Safety: The app requests standard permissions for audio input (RECORD_AUDIO), connectivity (INTERNET, ACCESS_NETWORK_STATE), storage (READ_EXTERNAL_STORAGE, WRITE_EXTERNAL_STORAGE), and foreground services, along with advertising/analytics identifiers (AD_ID), in-app billing, install referrer services, and a dynamic receiver permission. This permission set supports measurement features, ads, and monetization while following typical Android app safety practices.
Each subscription will automatically renew 3 days before the expiration date for
the same time period. Subscriptions can be cancelled at any time before the renewal.
