Mentioning clients LibreTube or PipePipe on android tick the boxes for me. Piped.video let me import my subs and gives me my subscription feed back, same login on LibreTube keeps things cross-platform which is nice
After paying for YTP Family for a number of years, their recent price increase was too much to warrant. I was happy paying ~$25 for multiple people but increasing to ~$35 was a massive jump.