I'm on AdNauseum and not uBO because I like the idea of actively resisting advertising culture and protesting through obfuscation, etc. So might not work for me
Try Yattee. Piped client for iOS. You do have to do weird setup because the app needs to pretend to not be a Piped client. Otherwise, Piped or Invidious website.
Consider Piped, Invidious, etc. Yes you can't log in, but on Piped you can create a Piped account and on mobile use Yattee (iOS) or Libretube (Android). No recommendations on home screen, but subscriptions feed and recommendations per video.
The "Simple" app collection the FOSS community loves did the same thing with their play store version calendar, which is why I dislike them. Their FDroid versions may not do this, but like... comes off the wrong way.
Brave homophobic though
It is the best Chromium based browser, in a sense, unfortunately....