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Paper Digest vs TXYZ: catalog facts
Paper Digest	TXYZ
Freemium Can be tried without signing in; full pricing is not described in the research.	Freemium Free plan available; Pro costs $96 per year and Ultra $288 per year.
Web	Web
Literature review, question answering and claim verification in one place Search across papers, patents, grants and people	Combines paper search, reading and writing in one workspace Usable free plan with file analysis up to 100 pages
Hosted service only Pricing for full use is not clearly stated	Free plan keeps writing Pages history for only 30 days Larger files and higher limits require a paid plan
Web application	Web application
Closed source	Closed source
License not stated	License not stated
No account needed	Not stated if an account is needed
Needs internet	Needs internet
Official website Full listing and sources Checked September 26, 2026	Official website Full listing and sources Checked October 1, 2026

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