App crashes – Math Planet - Fun math game curriculum for kids Review

Probably would be a good app if it worked. Maybe even worth the $20. But it keeps crashing on the second “planet” at the same place, pretty early in this educational math game. I contacted the app developers but did not hear back from them in the last two days. Rather unprofessional. So far it has only been pure frustration for my son and myself.
Review by AAGeza on Math Planet - Fun math game curriculum for kids.