So far I think it depends on the app. I mostly use Sync which I suspect looks at Lemmy from a Reddit functionality point of view. As I recall you can't edit post titles so I suspect the app doesn't even include the option or it's a paid feature.
When I use Jerboa there's more options like editing post titles, and seeing the various up and down vote counts plus the total for posts/comments. In Sync it's just the total of the upvotes/downvotes. I'm sure there's more differences but these are the big ones I've seen so far.
Jerboa has been upgraded since the summer. There was some stuff with swipe navigation which was an issue for my use case but I think that's been changed along with many other things now. It should be my daily driver now over Sync but muscle memory so far is keeping it from not being yet.