Apple to Allow Reader Apps to Link to Account Management Pages on the Web in Early 2022 - MacStories
Second, the developers of ‘reader’ apps can only share ‘a single link to their website to help users set up and manage their account.’ That language suggests, for example, that users could follow a link in the Kindle app to manage their Amazon account and perhaps initiate Kindle book transfers to an Apple device, but it seems to preclude the Kindle app from offering a catalog of books with links to a product page in a web browser. However, the press release does suggest a link could be used to set up a subscription to digital content like Netflix or Comixology Unlimited.
