Sound meter - noise meter is an Android application developed by apps 4 life. The program offers a simple way to measure the sound in your environment using the microphone of your mobile phone. The app displays the sound in decibels, which can help you prevent damage to your hearing.

One of the main features of this decibel meter is the nice statistics it provides. It allows you to see the decibel level in real-time and provides a graph that shows the variation of sound over time. With Sound meter - noise meter, you can easily check if the sounds around you are safe for your ears.

Overall, Sound meter - noise meter is a useful tool for anyone who wants to keep their hearing safe. The app is free to use and can be downloaded from the Google Play Store.