Sound Meter is also known as sound level meter, decibel meter (dB meter), noise meter, sound pressure level meter (SPL meter). Sound level meter (or SPL) app is shows a decibel values by measure the environmental noise, displays measured dB values in various forms. You can experience tidy graphic design with high frame by this smart sound meter app. This app will use the phone microphone to measure environmental noise decibels (dB) and show a value for reference. With this app, you can easily measure the current level of environmental noise. Simple operation and easy to use. Features: 1. Indicates decibel by gauge2. Display the current noise reference3. Display min/max decibel values4. Can calibrate the decibel for each devicesNote: Microphones in most devices are aligned to human voice and the maximum values are limited by the hardware. Very loud sounds (90 dB and more) may not be recognized. Automatic gain control used in some devices may interfere with the operation of this noise meter. Thank you for visiting. If you have any problems, contact with us: email@example.com.