Good thing nostr:npub1yaul8k059377u9lsu67de7y637w4jtgeuwcmh5n7788l6xnlnrgs3tvjmf is releasing a solid NIP-07 signer for iOS. Apple may just kill native clients over there altogether, or hamstring them so much they aren't worth bothering with.
Discussion
It's all on the in-app purchase side. X, Bluesky, Rumble, they all have the rails for zaps on posts of one implementation or another. Zaps ln posts are not complex. It's all about Section 3 of the App Store guidelines.