It has an adblocker but also SponsorBlock, which is amazing. It skips all the annoying tedium of YouTube videos (intro, self promotion, sponsors, credits)
I couldn't go back to Youtube without adblock and SponsorBlock.
Here's a bookmarklet (you must create and edit an existing bookmark with the contents below, else you will get an error) that will pop out a YouTube video on iOS into a PiP video when run. Simply click on the Bookmarks while on the YouTube page and select it.
This allows you to play the videos in the background by swiping the PiP player off to the side.
Disclaimer I do not remember where I got it, only that it seems to work for me.
javascript:(function()%7Blet%20v%20%3D%20document.querySelector('video')%3Bv.addEventListener('webkitpresentationmodechanged'%2C%20(e)%3D%3Ee.stopPropagation()%2C%20true)%3BsetTimeout(()%3D%3Ev.webkitSetPresentationMode('picture-in-picture')%2C%203000)%3Bcompletion()%7D)()
It ah the same UI as youtube, but no ads.
They have their own repository [0] which has faster updates.
[0]: https://newpipe.net/FAQ/tutorials/install-add-fdroid-repo/