Re: I love you Android, but goodbye.
*hate* using iOS, and I detest so many things about Apple, but my next phone will be an iPhone
I recently switched to iPhone, for the same reason, and with the same reservations. By far the biggest pain point for an Android refugee is the lack of file system access. iOS inter-app communication happens through the "share" command, which forces awkward work-arounds for common tasks that are stone simple on Android (e.g., using a 3rd-party app to open, edit, and save a file from cloud storage).
That said -- preventing apps from fscking with the file system (outside of their own userspace) is a big part of the iOS security model. The fruit giveth, and the fruit taketh away.
If you come at iOS like "why won't this POS let me decide where to put a file, like a real computer?" you'll be frustrated. If you modulate that to, "yeah, file management was way easier on Android, but at least now I can install my bank app, and I can choose not to be surveilled by Google," then it's a lot more palatable.