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Materialious vs Grayjay: catalog facts
Materialious	Grayjay
Free Free and open source.	Free Free to download from the Grayjay website and Google Play.
Android, Web, Self-hosted	Android
Clean Material Design interface Local video fallback when Invidious fails	One feed for subscriptions across several video platforms Imports subscriptions and playlists from supported sources
Relies on Invidious instances, which can be unreliable Access can break when YouTube changes	Depends on plugins that can break when platforms change Research only shows an Android version
Downloadable app, Web application, Self-hosted	Downloadable app
Open source	Closed source
License: AGPL-3.0	License not stated
No account needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 23, 2026

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