See sound in real time
Check the noise around you with a large decibel reading and a live sound level indicator.
A LITTLE CLARITY. A LITTLE QUIET.
How loud is your everyday? Turn your phone into a sound meter and see the noise around you in clear, useful numbers.

App preview · illustrative readings
Check the noise around you with a large decibel reading and a live sound level indicator.
Follow changes over time, save measurement sessions and revisit your sound history.
Explore frequency analysis and adjust calibration with a reference sound level meter.
Compare a humming appliance with a quieter room. Find out when your surroundings get louder.
Check the sound around your desk and compare different spaces with the same phone.
Explore traffic, conversation and everyday sounds. See how your environment changes.
Readings are estimates and depend on the microphone, device and calibration. Use a reference sound level meter for calibration. This app is not a certified instrument.
The microphone is used to calculate sound levels and frequency information. Measurement sessions save numerical readings, not audio recordings.
Use it for everyday comparisons and awareness. It does not replace certified equipment for legal, medical or workplace compliance decisions.
English, Spanish, Portuguese, Russian, Hindi and Chinese. You can change the language in the app settings.
Phone readings are estimates. Accuracy varies by device and calibration. Not a certified sound level meter.