looks like you can just buy things in app with zaps now on iOS in the US. LFG
nostr:note1l8apznzep9uhz098n84rxa3suj2fexhuyddtz03n3uum96rwkuus5qekud
If you're happy when you get permission, it's not permissionless. There are no more reasons for people to run ios, there are so many alternatives.