The application’s setup is very simple, after a sign-up, the software scans through your Facebook contacts match them to the numbers and assigns them to contact photos accordingly. It also blocks suspicious numbers that have been known to spam without any permission to keep your phone safe. The PC version of the application works on the similar algorithm and has lists of suspicious numbers as well as a detailed call history.Serving as a database, the PC version scans for additional details related to the unknown calls in the call history data of a registered account.