For ripping from Tidal/Qobuz, use Lucida.to I use an iPod Mini, a Jellyfin server and I either rip / dl from slsk/ rip w lucida I also use a modded YT client on my iPhone

It won’t be possible since even Apple is considering the possibility of sideloading apps because of EU’s competition policy legislation. If Google does the same, i guess they’ll just take a pretty good fine again