"Decibel X" is a free sound meter for Android phones that lets you easily measure sound pressure level (SPL) and detect noise from various sources. With this tool, you can find out how quiet or loud it is where you are and also measure the sound level at different locations.

It is a highly reliable and pre-calibrated tool that can be used for any purpose. "Decibel X" is a handy tool for people who want to know the noise level in their environment and have a lot of fun. Simply download the app on your Android device to get started now!