
Those apps don’t require login at all. At most, if you want the YouTube algorithm. So for like home screen recommendations. It’s fine if you have your suggestions. And those can be exported from Google, and just imported there without ever signing up. I don’t know what’s available for iOS though.

It’s still a service, both the creator and Google, provide. And support with something like patreon goes around Google AFAIK. Patreon takes a cut, but that’s another story.