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Paperpal vs Grammarly: catalog facts
Paperpal	Grammarly
Freemium Free to start without a credit card, with paid plans.	Freemium Free to sign up, with paid plans for more features.
Web	Web, Browser extension
Language editing tuned for academic writing Citations in over 10,000 styles	Grammar, spelling and clarity checks as you type One-click paragraph rewrites and tone suggestions
Hosted service that requires an account Many checks sit behind paid plans	Requires an account Text is processed on Grammarly's servers
Web application	Hosted service, Browser extension
Closed source	Closed source
License not stated	License not stated
Account needed	Account needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 23, 2026

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