Decibel Meter: Sound Meter dB is an Android app developed by Alphalogy, available for free in the Utilities & Tools category. This sound level meter app accurately measures environmental noise, displaying decibel values in real-time. Users can track min/avg/max decibel levels and compare them against noise references. The app also features a graphical representation of sound levels, making it easier to analyze noise patterns and trends.

The app provides detailed data on sound levels, including name, time, date, location, and equivalents. Users can reference the decibel scale to understand noise levels in various contexts, from breathing at 10dB to a helicopter at 100dB. With measurement histories, noise references, and a user-friendly interface, this app offers a comprehensive noise measurement solution.