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Outwrite vs Refine: catalog facts
Outwrite	Refine
Freemium Free grammar checking, with style features in a premium plan and a Teams plan.	Free Free to download and use without an account.
Web, Browser extension	macOS
Works in Google Docs, Gmail, Word and Outlook Paraphrasing and passive voice fixes	Grammar checking runs locally and works offline Every fix explains the rule behind it
Style suggestions require the premium plan Supports only English, French and Spanish	macOS only, requires macOS 14 or later Local model quality depends on the Mac it runs on
Web application, Browser extension	Downloadable app
Closed source	Closed source
License not stated	License not stated
Account needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 26, 2026	Official website Full listing and sources Checked October 1, 2026

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