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Grammarly vs InstaText: catalog facts
Grammarly	InstaText
Freemium Free to sign up, with paid plans for more features.	Freemium Free registration with paid plans.
Web, Browser extension	Web
Grammar, spelling and clarity checks as you type One-click paragraph rewrites and tone suggestions	Rewrites for clarity and flow, not just grammar Six languages supported
Requires an account Text is processed on Grammarly's servers	Requires an account Text is processed online
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 October 2, 2026

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