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Yattee vs Materialious: catalog facts
Yattee	Materialious
Free Free; the source is published on GitHub.	Free Free and open source.
macOS, iOS	Android, Web, Self-hosted
Watches YouTube through Invidious or Piped instead of Google Native app for iOS, tvOS and macOS	Clean Material Design interface Local video fallback when Invidious fails
Depends on third-party Invidious or Piped instances working Apple platforms only	Relies on Invidious instances, which can be unreliable Access can break when YouTube changes
Downloadable app	Downloadable app, Web application, Self-hosted
Open source	Open source
License not stated	License: AGPL-3.0
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 23, 2026	Official website Full listing and sources Checked September 24, 2026

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