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Monica vs Writing Tools: catalog facts
Monica	Writing Tools
Freemium Free to start, with paid plans listed on the pricing page.	Free Free and open source; cloud model providers may charge separately.
Windows, macOS, Android, iOS, Web, Browser extension	Windows, macOS, Linux
Several AI model families in one interface Works in a sidebar on any webpage	Works on selected text in any application Supports local LLMs as well as cloud APIs
Browser extension covers Chrome and Edge only All processing happens on hosted servers	Needs an API key or a local model set up Output quality depends on the chosen model
Downloadable app, Web application, Browser extension	Downloadable app
Closed source	Open source
License not stated	License not stated
Not stated if an account is needed	No account needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 26, 2026

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