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PolyBuzz vs Chai: catalog facts
PolyBuzz	Chai
Free The site advertises free chat; paid options are not described in the research.	Freemium Free to download, with revenue from paid use inside the app.
Web	Android, iOS
Very large library of user-made characters Browsable by genre and theme	Large catalog of community-made characters Users can create their own characters and stories
Built for entertainment and role-play, not productivity Character content is user-made and varies in quality and tone	Mobile only Aimed at entertainment and companionship, not productivity
Web application	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Needs internet	Needs internet
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 1, 2026

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