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Writing Tools vs QuillBot: catalog facts
Writing Tools	QuillBot
Free Free and open source; cloud model providers may charge separately.	Freemium Free to use with limits, with a Premium subscription for more.
Windows, macOS, Linux	Windows, Android, iOS, Web, Browser extension
Works on selected text in any application Supports local LLMs as well as cloud APIs	Many writing tools in one place Extensions for Chrome, Edge and Safari
Needs an API key or a local model set up Output quality depends on the chosen model	Advanced modes need a Premium subscription Text is processed on QuillBot's servers
Downloadable app	Downloadable app, Web application, Browser extension
Open source	Closed source
License not stated	License not stated
No account needed	Not stated if an account is needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked September 26, 2026	Official website Full listing and sources Checked September 23, 2026

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