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Seal vs BVD: catalog facts
Seal	BVD
Free Free and open source.	Free Free and open source under the GPL-3.0 licence.
Android	Android
Uses yt-dlp, so it works with many video sites Can save audio only as well as full video	Handles uploads, anime, TV series and films Downloads danmaku and subtitles
Android only Not distributed through Google Play according to the research	Resolutions above 720p and some videos need a Bilibili login Documentation and interface mainly in Chinese
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-3.0
No account needed	Not stated if an account is 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 October 2, 2026

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