Super I have already two times aboalarm used .Once i wanted to quit my membership with schülerhilfe myself but they didn't accept it than i sent quitting membership with aboalarm after a short time i received a letter from schülerhilfe that they are sorry that i quit and gave my money back.Now when i need to quit from a membership i use aboalarm without hesitating....because i know that they will succeed it. Thank you very much ABOALARM