What is the difference between SupportPay Free and Premium? SupportPay Customer Care September 16, 2018 20:59 Follow Below is the features of SupportPay Free versus Premium Have more questions? Submit a request Comments Related articles I thought SupportPay was free? Why am I being asked for a credit card? Does the other parent have to register in order for me to use SupportPay? How do I keep my personal information private from the other parent?