It's definitely a very gray area within Apple's policy. Shorebird (Flutter OTA updates) describes it best in their FAQ (https://docs.shorebird.dev/faq/#does-sho

It's definitely a very gray area within Apple's policy. Shorebird (Flutter OTA updates) describes it best in their FAQ (https://docs.shorebird.dev/faq/#does-shorebird-comply-with-app-store-guidelines https://docs.shorebird.dev/faq/#does-shorebird-comply-with-a...). It seems to be as long as you don't significantly alter the primary purpose of the app, then it's "allowed". But that's a very broad interpretation and puts native Swift apps at a huge disadvantage.