https://www.theverge.com/2020/4/1/21203630/apple-amazon-prime-video-ios-app-store-cut-exempt-program-deal https://www.theverge.com/2020/4/1/21203630/apple-amazo

https://www.theverge.com/2020/4/1/21203630/apple-amazon-prime-video-ios-app-store-cut-exempt-program-deal https://www.theverge.com/2020/4/1/21203630/apple-amazon-prim... They do have a special arrangement, and iirc there was a case of an email company being taken down due to them handling payments outside of the app, on a website.