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

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