Mr. Number is a mobile application designed for Android and iOS phones and tablets. It was created to help users block unwanted calls and messages, including those from spammers and scammers. Overall, Mr. Number improves the quality of life by getting rid of annoying calls and messages.

The main functions of the application include blocking calls and messages from any phone number. Users can choose which calls and messages to block using different categories such as spam, fraud, and more. Additionally, the app has a function that allows users to block all calls and messages from unknown numbers.

Another important feature of Mr. Number is the ability to create "blacklists". This means that users can create a list of phone numbers they do not want to receive calls or messages from. Furthermore, the app provides users with information about the calling number, such as its identifier and name, if they have been saved in the phone's address book.

The advantages of the Mr. Number app include being completely free and ad-free. This means that users will not receive annoying advertisements while using the app. Additionally, Mr. Number has a simple and intuitive user interface, making it easy to use even for those who do not have much experience with mobile applications.

Overall, the Mr. Number app is an excellent way for Android and iOS phone and tablet users to block unwanted calls and messages from spammers and scammers. With its features such as blocking calls and messages from any phone number and creating "blacklists", Mr. Number makes users' lives easier and safer. The intuitive user interface and lack of ads make it even more appealing to users.