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Refine vs Outwrite: catalog facts
Refine	Outwrite
Free Free to download and use without an account.	Freemium Free grammar checking, with style features in a premium plan and a Teams plan.
macOS	Web, Browser extension
Grammar checking runs locally and works offline Every fix explains the rule behind it	Works in Google Docs, Gmail, Word and Outlook Paraphrasing and passive voice fixes
macOS only, requires macOS 14 or later Local model quality depends on the Mac it runs on	Style suggestions require the premium plan Supports only English, French and Spanish
Downloadable app	Web application, 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 26, 2026

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