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HARPA AI vs Glarity: catalog facts
HARPA AI	Glarity
Freemium Free to install, with paid plans for heavier use of hosted models.	Free Described on its site as free and ad-free.
Browser extension	iOS, Browser extension
Works with many AI providers and local models YouTube, PDF and page summaries in place	Summaries for YouTube, search results and web pages Full-page and selection translation
Mainly a Chrome extension Hosted models send page content to third-party AI providers	Relies on third-party AI services Licence of the published source not confirmed
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.