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VacuumTube vs Grayjay: catalog facts
VacuumTube	Grayjay
Free Free and open source under the MIT licence.	Free Free to download from the Grayjay website and Google Play.
Linux	Android
Uses YouTube's official TV interface, suited to couch and controller use Built-in ad blocker	One feed for subscriptions across several video platforms Imports subscriptions and playlists from supported sources
Unofficial wrapper that depends on YouTube keeping the Leanback interface available Only minor enhancements beyond the stock TV interface	Depends on plugins that can break when platforms change Research only shows an Android version
Downloadable app	Downloadable app
Open source	Closed source
License: MIT	License not stated
Not stated if an account is needed	No account needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.