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Refine vs Grammarly: catalog facts
Refine	Grammarly
Free Free to download and use without an account.	Freemium Free to sign up, with paid plans for more features.
macOS	Web, Browser extension
Grammar checking runs locally and works offline Every fix explains the rule behind it	Grammar, spelling and clarity checks as you type One-click paragraph rewrites and tone suggestions
macOS only, requires macOS 14 or later Local model quality depends on the Mac it runs on	Requires an account Text is processed on Grammarly's servers
Downloadable app	Hosted service, Browser extension
Closed source	Closed source
License not stated	License not stated
No account needed	Account needed
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.