191 votes - Utilities - First release: 2016-10-29T04:53:33Z

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Screenshots

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Description - 4+

dBA Meter app well calibrated with professional noise meter tool OKTAVA 110A-PRO.

 Measure sound level/noise:
  -Current average SPL level
  -Peak SPL level
  -Average maximum SPL level
  -Absolute maximum SPL level

 Graph histogram for (change in settings):
  -Current average SPL level
  -Peak SPL level
 
 Additional features:
  -Save measurements
  -Upside down orientation to easy use.
 

To reset maximum or average maximum - just tap on it.
You can self calibrate it in settings (range from -20.0dB to +20.0dB SPL)