Call Blocker pro is one of the best android app in play store and totally ad free. Call Blocker pro can block unwanted calls automatically. If you are tired of annoying calls just block it easily. This app is light-weighted and stable, cost very little memory and CPU resources.

You can either block any number from your contacts list, calls, or add unwanted number manually. Also you can make white list in this application. Only people from white list can call you.

Numbers from the blacklist are blocked. Whatever you do, you will not be distracted by phone calls.

However, if you don't want to lose your connection with certain people, "Calls Blacklist" also provides a "White list" feature for you. The app will never block calls.

--Main Features--

► Block All Calls: You can block all contacts
► Block Unsaved Contacts: You can block unsaved contacts. Unknown people can't call you.
► Block From List: Call will be blocked from this List
► Receive Only White List: Only white listed people can call you.