dB
Noise Meter: Decibel dB
An ambient sound level meter for iPhone and iPad. Your audio is never recorded and your measurements never leave your phone.
- dB(A) and dB(Z) weighting, Fast (125 ms) and Slow (1 s) time response
- Minimum, average, maximum and peak values with saved measurement history
- Audio is processed instantly and discarded — never recorded, never uploaded
- Free; no account needed
This app is not a certified sound level meter and must not be used for legal, occupational or medical purposes.