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

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