Even applications in the background are muted without flight mode - PIN is not required! This app is similar to the Do Not Disturb feature of newer smartphones - just simpler. From Android 7 (Nougat) there is the function "Do not disturb". Our app focuses on people who use Android <7 and want to mute all channels with one click! The app also works on Android 7 8 and 9. The user does not have to use the "do not disturb mode" of the smartphone (moon symbol).
„Switch off your mobilphone. A simple App for this action. Ringer volume Media volume Alarm volume Notification will be zero and no vibrate with one click. All levels are stored. If you switch back all volume levels are restored.