Companies like Spotify and Netflix (that have a free app used to access subscription content) removed the option to pay through their app years ago. You can on

Companies like Spotify and Netflix (that have a free app used to access subscription content) removed the option to pay through their app years ago. You can only pay (and create an account) by going to their website, so they have always effectively paid Apple nothing but the yearly $99 developer account fee under the old rules. However, now they can now tell you where to go to set up a new account on their website next to the login account and password fields of their app.