I'm an iPhone user, and i'll probably stay that way, but I've tried to de-google my life as much as possible and I'd consider de-appleing if there was an alternative that wasn't google'd up. What do anti-google self-host folks do about smartphones? Android is "open" i guess, but it's crammed full of adware and trackers and all sorts of garbage.
Linux for desktop is an easy-peasy transition; linux for mobile, no so much