You want to measure the sound, but you don't have a professional sound level meter. And you are looking for a tool to measure noise level? This is a great noise meter app for you. The Sound Meter has all features of a professional decibel meter, noise meter. You can now measure noise level with your smartphone. The app uses your device's microphone to measure sound intensity and display it in decibel. Measured values are displayed visually and on the graph that helps you using the app easily. It