Materialious is usable on Web, Android (TV too) & Desktop.
It can be used with Invidious or using its own YouTube backend.
Has its own account system with end-to-end encryption for subscriptions.
Materialious can be deployed in a lot of ways.
It can be used purely as a Invidious frontend.
You can use it as a web server with its own YouTube engine and account system.
Or you can use it as a Desktop & Mobile app with or without Invidious.
Or you can even go into the advanced settings and choose when you want to use Invidious APIs or Materialious