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".

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.

PRO VERSION ADVANTAGES:
✔️ Password protection.
✔️ Schedule by days of the week.
✔️ Blocking method selection (required Android 7 or higher).
✔️ No ads.
✔️ Pay once and use forever.

FEATURES:
✔️ Block calls and SMS using blacklist.
✔️ Block unknown numbers.
✔️ Block private/hidden numbers.
✔️ Block a range of numbers using the "Begins with" option.
✔️ Block SMS from alphanumeric numbers.
✔️ Block SMS by text.
✔️ Block all numbers.
✔️ Block all calls while audio chat or VoIP call is established.
✔️ Use "Whitelist" to prevent block of certain people.

✔️ Icon in the status bar can be turned off.
✔️ Get notifications of blocking or turn them off.
✔️ "Schedule": specify time to block calls or messages.
✔️ "Log" of blocking.

✔️ Save/load blacklist.
✔️ Turn on/off blacklist.
✔️ Robust call blocker and SMS blocker.

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