Only in Google camera, which is usable on grapheneos: You get a live shot feature, it ain't exactly the same tho, look into that.
I run pixelos and the amount of stuff I miss from iphone is staggering, the difference between pixelos/grapheneos isn't as big as the difference between iphone/pixel.
Hmm, don't really miss anything from iOS besides tap the top screen to go to top of page. Also Apple Notes is great.
No back button on iOS is madness and also the Android rotate screen integration is way better than iOS.