1. Place the app on your home screen 2. Launch app and choose the default action to be carried out when app is opened (switch to Ring, Vibrate or Silent mode) The next time you tap the app it'll automatically switch to your preferred profile or if you're already on the preferred it'll let you switch ring mode (Ring/Vibrate/Silent). You can change the app's default behavior when you launch the app whilst it's already in the preferred Ring Mode. Mute ringtone call and message notifications quickly when entering a meeting by tapping the app to switch to silent, or get vibration alerts only. It's quick and easy to use. App requires Do Not Disturb permissions to change to/from Silent mode.