This is simple sound decibel meter app (Android)
Easy to use and interesting app.
Yellow Color Circle Version.

Levels of Noise in decibels (dB)
20 dB - Very quiet, almost feel nothing
40 dB - Quiet, like soft whispers
50 dB - Quiet office
60 dB - Ordinary indoor conversations
80 dB - Noisy, may hurt the nerve
90 dB - Very noisy, nerve damage
100 dB - Increased noise, hearing damage
120 dB - Unbearable
140 dB - Almost deaf or deaf

(Noise Sound Decibel Meter)
(include Ad Version)

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