tried 'em all and they all suck. it's possible there are options that work for monolingual people, but for simultaneously using 3-4 languages without annoying switching back and forth, there is no alternative.
since android 15 you can disable network access to any app and that's how I run gboard, the only google app I have on my mobile devices.
and then there's this:
https://web.archive.org/web/20170227013104/http%3A//www.anarchogeekreview.com/history/so-a-nazi-walks-into-an-iron-bar-the-meyer-lansky-story