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Monica vs Page Assist: catalog facts
Monica	Page Assist
Freemium Free to start, with paid plans listed on the pricing page.	Free Free and open source.
Windows, macOS, Android, iOS, Web, Browser extension	Browser extension
Several AI model families in one interface Works in a sidebar on any webpage	Sidebar for chatting alongside any web page Works with locally running models such as Ollama
Browser extension covers Chrome and Edge only All processing happens on hosted servers	Needs a separate local model server to be useful
Downloadable app, Web application, Browser extension	Browser extension
Closed source	Open source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is 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 23, 2026

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