Decibel is a free Android application developed by NintendApps, which allows you to measure the sound level (dB) and the amplitude of the sounds around you. The app is designed to be an essential tool for your smartphone. With Decibel, you can activate the flash function that will launch the flash according to the sound, music, and even your voice.

The interface of the app is straightforward and easy to use. The app shows the sound level in real-time with a graphical representation of the sound amplitude. The app also allows you to set the sound level threshold, which triggers the flash function. The app is perfect for measuring the sound level of your surroundings, such as in concerts, meetings, or other events. Overall, Decibel is a useful app for anyone who wants to measure the sound level of their surroundings.