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ReadCube Papers vs Mendeley: catalog facts
ReadCube Papers	Mendeley
Paid Paid product with a free trial.	Freemium Free with 2 GB of storage, with paid options.
Web, Browser extension	Web, Browser extension
PDF annotation combined with reference management Imports papers with full metadata and citations	PDF reading, highlighting and annotation built in Generates references and citations
Paid after the trial Much of the product is aimed at companies and research teams	Owned by the publisher Elsevier Free storage is limited to 2 GB
Downloadable app, Web application, Browser extension	Downloadable app, Web application, Browser extension
Closed source	Closed source
License not stated	License not stated
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 23, 2026	Official website Full listing and sources Checked September 23, 2026

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