I paid for it and that is what I think about it:
The interview preparation is quite well done.
They explain step by step what will happen. But no big surprise, in fact you allready know most of it.
The compass test is a joke!
Only 28 ATPL questions, 15 math questions and not even the joystick test...
Conclusion, if you want to be more comfortable with the interview and you have a lot of money to spend go for it, otherwise look for cheaper websites.