Is this space good for focusing right now? Measure the noise around you in real-time decibels (dB) with your phone's mic, and see at a glance how suitable the environment is for focus, study, work, or sleep — rated on a 5-level scale. Library-quiet, café-level, or too loud to concentrate? Find out instantly.
Understand the noise around you at a glance with a number and a 5-level rating. Works fully offline, and every measurement stays on your device.
Shows the sound around you as a live decibel reading through the mic.
Very quiet · quiet · moderate · loud · very loud — read your environment at a glance.
See how the noise changed over a session with min, average, and max dB.
Sessions are logged automatically so you can revisit them anytime.
Compare the average and lowest noise across your sessions and build your own data.
Korean/English, light and dark themes. Works without an internet connection.
This app only calculates the noise level (dB) and never records, stores, or transmits voice or audio. Measurements are kept only on your device. Note: readings are for reference and do not replace a professional sound-level meter; accuracy depends on your device's microphone.
Measure the noise around you in a second and check its focus rating. No sign-up required.
📲 Get it on Google Play