The Sound Meter and Decibel Meter app is useful sound test tool to test environmental sound level for your Android. The Sound Decibel Test app can show decibel values by measuring the environmental noise and it will displays measured dB values. Features: - Decibel by graph and progress - Min/Avg/Max decibel values - Current noise level High sound decibel value will be harmful to your health. To protect your health, detect the decibel value using the Sound Decibel Meter - Noise Level Test app!