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R Discovery vs Emergent Mind: catalog facts
R Discovery	Emergent Mind
Freemium Free to use, with paid plans listed on its pricing page.	Free Browsing papers and summaries is available on the website; the research does not mention…
Android, iOS, Web, Browser extension	Web
Personalized feed of new research papers Chat PDF and AI answers with references	Trending papers filtered by category and time range Ready-made AI summaries without prompting
Some features require a paid plan Closed source hosted service	Focused on arXiv papers only AI-generated summaries can miss nuances of a paper
Downloadable app, Web application, Browser extension	Web application
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 2, 2026

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