I have no experience with the APP. THEY ALREADY CHARGE SO DOG-$$*^(*$^=$$% MUCH FOR YOUR PHONE ANYWAY.WHY SHOULD WE HAVE TO PAY $3.99 TO BLOCK 🚫 SPAM.THEY SHOULD WANT TO HELP YOU AS MUCH AS POSSIBLE ANYWAY. REALLY?!???!! COME ON AT&T...FOR EVERY LITTLE THING...??‽???