Transform your device into a professional sound level meter to detect harmful noises and protect your hearing. It also allows you to test and track your stereo and hearing performance with detailed history management. The app offers accurate measurements and a quick hearing test.
1.51.0
June 22, 2026
Thank you for using Decibel - dB Sound Level Meter. In this version, - Refined the design to improve overall quality and consistency. Thank you for your continued support!
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Hello, you don't need to subscribe or any payment before the using app. You can use all of the features without any payments, but you have to daily limit for using these features. We don't like to force user to any payment. All of these limits are comptely user friendly.
Yes, Decibel contains advertisements. As a free application with in-app purchases, advertisements are displayed to support its continued development and availability.
The current subscription for Decibel starts at $2.49 USD per month for the Noise Dosimeter feature. Other plans include a yearly option for SPL & Decibel Meter at $9.99/year, which includes a 3-day free trial.
Decibel is tested and pre-calibrated for all Apple devices, matching the precision of real SPL devices. It is designed to provide trusted accuracy for environmental noise detection.
The hearing test within Decibel is designed to be quick, taking only 2-3 minutes to complete. You will receive instant results after the test.
Yes, there is no need for an internet connection to use the core functionalities of Decibel, including its sound level meter and hearing test features.
Decibel is compatible with iPhone, iPad, and iPod devices. It is rated for ages 4 and up.
The latest version of Decibel is 1.49.0, last updated on March 18, 2026. This indicates a history of regular updates to improve functionality and reliability.
Decibel has a high user rating of 4.7 stars from 35 ratings, suggesting positive user sentiment regarding its features and performance.
