Between them Immich is a lot easier to use, the app is much nicer I have found.

Also if you are not using nextcloud for other features, installing just for photos is a huge drag on resources.

Also immich just added gpu support.

They install just like any other container.

I just use hotio suite which has been great, I run bazarr, prowlarr, qbitmanage, qbittorrent, radarr, sonarr, sabnzbd, and unpackerr on an old asustor nas.

Adguard !== uBlock

One is per device based and the other is solely for DNS blocking, they compliment each other.