In this case, Apple should both allow ClassPass to sell its classes via a webview (i.e. loading a webpage within its app), and also offer in-app purchases for, say, 10%; yes, that’s more expensive than credit card processing fees (which are ~$0.30+2.5%~2.9%, or around 6% of a $10 purchase), but the superiority of the user experience may convert eno... See more