Block a Number Calls Free - Calls Blacklist is a call blocking application developed by Fun-Kids for Android users. This free application is designed to block unwanted, harassing, and spam calls. The app is simple, lightweight, and powerful, and it allows users to add unwanted phone numbers to the blacklist. The application also comes with a whitelist feature that enables the user to add important phone numbers to their whitelist so that they are always reachable.

One of the most significant features of this application is its ability to block calls from unknown and private numbers. Additionally, users can block all numbers or use the whitelist feature to avoid blocking certain people. The application also comes with a blocking log, and users can receive notifications or disable them. The application is of high quality and does not require Wi-Fi or internet 4G to use. It is also low on power and CPU consumption, making it an ideal choice for all ages.