"Calls Blacklist" is both a call blocker and an SMS blocker. It can easily block calls and messages from unwanted private (hidden anonymous) or unknown numbers.

SPAM BLOCKING:
If you are tired of annoying calls or messages: telemarketing spam and robocalls then "Calls Blacklist" is your solution. It is very easy and lightweight yet powerful call blocker.
The only you need is to add unwanted numbers to the blacklist.

SMS MESSENGER:
This app also provides fully functional built-in SMS messenger.
You can easily send receive and manage SMS. Also you can manage conversations and block SMS spam using only one app. Once you enabled SMS blocking the app's built-in SMS messenger become available.

BLACKLIST:
You can manage all unwanted numbers and even more - using this app you can block spammers by text of messages. And of course it is easy to save blacklisted numbers to the file and import them on another device.