Decibels icon



Want to know what noise level is around you? in the restaurant? in the train? in the office? This app will show you.


  • Smooth analog display of dB(A)
  • Take photo with sound level display
  • Share, print, and store sound level photos

Extra Features (with purchase):

  • Select frequency weightings A, C, and Z
  • Record decibels on beautiful strip charts
  • Annotate the strip charts
  • Share, print, and store the strip charts

This app uses the internal microphone to estimate the sound pressure level in decibels (dB SPL).

Quiet bedroom at night 30 dB
Average home 50 dB
Vacuum cleaner, 1m away    70 dB
Jet aircraft, 50 m away 140 dB
Download on the App Store

Enter your Decibels support request in the form below or send an email directly to apps [at] .

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