This is a free application that checks the history of blocked messages. It can be used to find out whether the messages you receive are spam or not.

The application will check the character history blocked by default due to the KT additional service'kt Spare Blocking Service', and checks the text history selectively blocked by registering the phrase or number that the user wants to block within the application.

It can also be used to find out whether the messages you receive are spam or not.

This is a free application. It does not require any kind of fees. It is completely free to use.