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FirTube vs SkyTube Legacy: catalog facts
FirTube	SkyTube Legacy
Free Free and released into the public domain under the Unlicense.	Free Free and open source under GPL-3.0-only.
Android	Android
Ad blocking and ad skipping Background playback and video auto-repeat	Plays YouTube videos without ads Download videos for offline playback
WebView wrapper around the YouTube site rather than a native client Can break when YouTube changes its website	Targets older Android versions Depends on YouTube, which may break playback
Downloadable app	Downloadable app
Open source	Open source
License: Unlicense	License: GPL-3.0-only
No account needed	No account needed
Needs internet	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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