Essential Calls lets you create a list of the contacts that really matter to you and easily adjust it in the future. By activating the app, your phone will automatically be switched to silent mode and ring only when you receive a call or an SMS from your essential contacts. At the end of an essential call, your phone will be switched back to silent mode. With the time trigger feature you can also set Essential Calls to mute your phone on certain hours on certain days, while only allow notification for your white listed contacts during this hours. Do not interrupt mode added: You can also block sound notifications on selected contacts, even when your phone is set on Normal mode. Schedule essential calls to start on certain hours on certain days. The Lite version gives you the ability to be notified when you receive calls from your two most essential contacts and your smartphone is set to silent mode. Add unlimited contacts and receive notifications for incoming SMSs by supporting this effort and upgrading to Premium. Select your essential contacts from your existing phonebook or add a custom contact. Exclude a contact from the list you created by clicking on it or just delete it. Easily switch the app on/off by using the Essential Calls' widget.