This is the best app for blocking calls from any number that you don't want to answer. It's simple and easy to use. You can add any number into the Blacklist or you can choose contact from your phone. Then any call initiated from these numbers will be blocked immediately. The callers will not know that you are blocking them, they can only guess that you are busy.

Main features
* Blacklist, any number added to this list can not make a call to your phone
* Block call from stranger
* Get number from contact
* Enter number manually