Call blocker, and also effective SMS blocker. It blocks unwanted calls and spam messages. You can add any number to the blacklist or enable one of blocking options: "Private numbers", "Unknown numbers" or "All calls".

Also you can block calls or messages by prefix. This app is easy to use, lightweight and provides wide range of functions.

Features:
- Blacklist (list of calls or SMS, you want to block).
- Schedule.
- Whitelist (never block list).
- Journal of blocked calls and messages.
- One click ON/OFF call blocker or SMS blocker.
- Blocking of unknown and private numbers.
- Blocking by prefix ("Begins with" option).
- Password protection.
- Blacklist saving and loading.

Advantages:
- Robust call blocker.
- Works on all devices.
- Easy to use.
- Lightweight.

PRO version advantages:
- Password protection.
- Schedule by days of the week.
- No ads.

You can try the free version before you buy this application.