A free app for Android, by C Mobile.

The application is a handy tool for Android phones. It is designed to control the volume of all sound streams on your device.

It is a useful application for people who need to keep the volume level of all audio streams constant. This is the case, for instance, if you have to listen to a lecture or watch a movie in a loud place.

The application allows you to set up a volume level for all audio streams at a specific time. This will be useful for people who have to work or study in a loud place. This application is free.