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Paperguide vs Rayyan: catalog facts
Paperguide	Rayyan
Freemium Free to start, with paid plans and demos for teams.	Freemium Free forever for basic use; paid plans are available for more features.
Web	Web
Cited answers from a large paper index Imports libraries from Zotero and Mendeley	Covers every stage from import to PRISMA reporting Built-in collaboration with roles and conflict resolution
Web only, with no offline use AI answers still need checking against the sources	Advanced features sit behind paid plans Focused on systematic reviews rather than general reading
Web application	Web application
Closed source	Closed source
License not stated	License not stated
Account needed	Account 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.