This app can be used to measure the Decibel sound level at a particular location. It can be used to record sound as well. Play back of recorded sound is possible. A graph plots decibels and is refreshed every few minutes. A live line chart also provides live updates. An adjustment factor is provided for correction in case of more / less powerful microphones. If a tile for this app is setup, it shows the maximum and average values for the duration the sound was measured. The color of the tile is based on the intensity of the sound. A working microphone is mandatory to use this app. Note that some features (graphs, adjustment etc) are not available in the trial version. Buying the full version will give you an add-free App (besides these additional features). The App can be bought by choosing "Buy Now" from within the App menu. The full version supports seven languages - English, Portuguese, Finnish, Spanish, German, French and Simplified Chinese.