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Twine vs Feedora: catalog facts
Twine	Feedora
Free Free and open source.	Free Free and open source under the GPL-3.0 licence.
Android, iOS	Android
Card-based Material You interface Shared code across Android and iOS	OPML import and export Full-content parsing of articles
Desktop support is less established than the mobile apps Visual layout may feel less dense than list-based readers	Small project with few contributors Android only
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: GPL-3.0
Not stated if an account is 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 October 2, 2026

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