Decibel Meter HD!

SPECIAL INTRODUCTORY PRICING -50% OFFDecibel Meter HD provides a way to measure environmental sound levels, showing the approximate dB level. The app is based on the current calculations to determine the sound pressure level in dB.Although we have tested the values with professional equipment, we cant ensure theabsolute correctness by international standard. An average quiet room will be in the 40-50 dB range.