Free
In-App PurchasesWith Ads
About
Measure environmental noise levels and display decibel values in various formats. This smart sound meter app features a tidy graphic design and provides real-time noise detection using your mobile microphone. It offers clear visualizations of sound levels and includes helpful information about decibel measurements.
✓Measures environmental noise decibel values
✓Displays dB values in various forms
✓Tidy graphic design with high frame rate
✓Uses mobile microphone for ambient noise measurement
✓Shows current, min, average, and max decibel values
✓Displays decibel change chart
✓Auto decibel value calibration
Show original description
+1
What's New in Decibel Meter
1.8.0
October 18, 2026
Teachers: the meter now has a Classroom view. A full-screen green, yellow or red light follows the room's volume, with the level in large type and the time the room spent in red.
More3
Subscriptions & In-App Purchases
Decibel PRO year sub
Decibel PRO 1 year subscription
$17.991 Year
User reviews
Developer apps
FAQ
What is Decibel Sound Meter used for?
Decibel Sound Meter is used to measure environmental noise levels and display the decibel (dB) values in various formats. It utilizes your mobile microphone to detect ambient noise and provides real-time readings.
Does Decibel Sound Meter have ads?
Yes, Decibel Sound Meter contains advertisements. The app is free to download and use, with options for in-app purchases to enhance the experience.
What are the subscription options for Decibel Sound Meter?
Decibel Sound Meter offers several subscription plans: a weekly subscription for $0.99, a monthly subscription for $1.99, and an annual subscription for $17.99. These plans likely unlock premium features or remove ads.
How accurate is Decibel Sound Meter?
The app features auto decibel value calibration to improve accuracy. However, the accuracy of any sound level meter app can be influenced by the quality of the device's microphone and environmental factors.
What information does Decibel Sound Meter display?
Decibel Sound Meter displays the current noise decibel value, as well as the minimum, average, and maximum decibel values. It also shows a chart of decibel level changes over time and the test duration.
What noise levels correspond to common sounds in Decibel Sound Meter?
The app provides a helpful guide to noise levels, listing examples such as thunder at 120dB, rock 'n' roll at 110dB, a busy street at 80dB, and a whisper at 30dB.
On which devices can I use Decibel Sound Meter?
Decibel Sound Meter is available for iPhone and iPad devices. It is designed to run on these Apple platforms.
How often is Decibel Sound Meter updated?
The latest version of Decibel Sound Meter is 1.3.1, and it was last updated on March 14, 2026. This indicates a recent update, suggesting ongoing development and support.
