* Numbers blacklist (blocking incoming calls and SMS).
* Whitelist (never blocked numbers).
* Blocked calls and SMS journal.
* Blocking anonymous (private) numbers.
* Blocking all incoming calls.
* Blocking all incoming SMS.
* Notification of blocked calls and SMS (can be disabled in the settings).
* Password protection.
* Saving blacklist to file.
* Loading blacklist from file.
* robust call blocker.
* works on all devices.
* easy to use.
* lightweight and robust.
* does not consume memory or CPU resources.
Varies with device