Sound Meter PRO App measures the sound level in dB using the mobile built-in microphone

Features:
# Display the current noise level
# Display min/avg/max SL
# Display SL by graph line
# Display Elapsed time measurement
# Measurment can be paused and resumed
# Measurment results can be shared
# Measurement results can be calibrated according to mobile sensitivity

Note:
Measuring results accuracy is depending on the mobile mic sensitivity so you can calibrate this mobile app with a calibrated instrument to provide more accurate results