Compare software

Paperpile vs Mendeley: catalog facts
Paperpile	Mendeley
Paid Paid subscription with a 30-day free trial.	Freemium Free with 2 GB of storage, with paid options.
Android, iOS, Web, Browser extension	Web, Browser extension
Built-in PDF viewer with annotation tools Citation plugins for Google Docs and Word	PDF reading, highlighting and annotation built in Generates references and citations
Requires a Google account Sign-up only on Chrome for now, Safari and Firefox in beta	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 October 1, 2026	Official website Full listing and sources Checked September 23, 2026

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