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Sider vs Glarity: catalog facts
Sider	Glarity
Freemium Free to start, with paid plans for more usage.	Free Described on its site as free and ad-free.
Windows, Android, iOS, Web, Browser extension	iOS, Browser extension
Access to several AI models in one sidebar Page summaries and notes while browsing	Summaries for YouTube, search results and web pages Full-page and selection translation
Closed source hosted service Heavy use needs a paid plan	Relies on third-party AI services Licence of the published source not confirmed
Downloadable app, Web application, Browser extension	Downloadable app, Browser extension
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 September 23, 2026	Official website Full listing and sources Checked October 2, 2026

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