Decibel：db Sound Meter

Decibel: db Sound Meter is a practical noise measurement tool for accurate, real-time decibel monitoring. It offers dynamic decibel data visualization, photo recording with a decibel watermark, and real-time video recording to capture noise events as they occur.

Its Monitoring Record provides downloadable detection reports and a detailed history of noise data. The extension uses a subscription-based access model with renewal and includes links to Privacy Policy and Terms of Use.