I really hate them on iOS, because the system comes with back-to-top functionality so all these buttons are doing are looking ugly and covering part of the page. And don’t even get me started on when AMP breaks scrolling…
Tapping the top of the page again takes you back to your scroll position! Incredibly useful for recovering from accidental taps, and I kind of wish iOS would copy it, since it happens more often than I’d like.
I always thought that re-scrollback was just a feature of iOS. I use it all the time in Apollo. But it doesn't seem to work in the Reminders app, nor the Notes app. Way to go Tweetbot and Apollo devs!
Fuck AMP.
Though to play devil's advocate, I'm willing to bet 80%+ of iOS users have no idea the feature even exists, so removing it just because it's available as a system feature doesn't sound like a particularly compelling argument to me.
I think having some kind of sticky navigation instead of scroll to top makes for a much more compelling UX though, since it accomplishes the same goal without the downsides of hitting it by accident causing an irreversible loss of context.