I can 100% assure you these apps were not in breach and it was no fluke. Apple questioned us multiple times about where and how would users pay for the service.

I can 100% assure you these apps were not in breach and it was no fluke. Apple questioned us multiple times about where and how would users pay for the service. I think this was allowed because as someone else mentioned there are some exceptions to this rule. This was an education app which gave access to some digital books.