I think apps become really relevant in the federated world, as it allows to manage multiple accounts at the same time, in the same place, allowing for quick switching, etc, while simplifying so much workflow (and making server requests lighter too!).
On F-Droid, tho, I see Peertube apps basically being frozen in time. No updates since a long time ago, but Peertube itself keeps getting better and better, so what’s up?
Also, don’t link NewPipe, I know it allows Peertube videos, but you cannot log in or interact, which is crucial for the survival of the fediverse.
Well the only app I can recommend is fedilab. It’s primarily a mastodon client but it can also display pixelfed styled posts and it has its own dedicated mode for peertube which honestly doesn’t look too bad. But I haven’t used it much since there isn’t enough content on peertube.