iPhone
A quiet way to measure noise
Hush turns your iPhone into a simple sound level meter. Big numbers, a clear gauge, and a history you can keep — all of it on your device.
Measures, never records
The microphone is used to compute a level in real time. No audio is recorded, saved or sent anywhere.
Works offline
There is no server and no account. Everything happens on your phone.
Honest about accuracy
A phone microphone is not a certified instrument. Hush says so, and gives you a calibration offset to close the gap.