To get that ad-free YouTube experience, I use Vinegar safari extension and have pinned the YouTube site to my home screen rather than using any apps.
I also use Banish to remove all those annoying "Open in our app" pop-ups in Safari.
Lastly, I use AdGuard to block ads on the phone locally and have also set up my own Wireguard VPN server at home with PiHole so that I'm always protected ad-wise when I'm out and about over 5G and on any public Wifi (I used to use my own Wireguard VPN with my old Pixels too).
Absolute bliss.