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Glasp vs Liner: catalog facts
Glasp	Liner
Free The extension and mobile apps are free.	Freemium Free browser extension with AI features that may have usage limits.
Android, iOS, Browser extension	Browser extension
Highlights both web pages and PDFs Extensions for Chrome, Safari, Edge and Firefox	Combines highlighting, bookmarking and AI summarization in one extension Works across webpages, PDFs and videos rather than just plain text
Built around a social, hosted service AI features depend on the company's servers	AI summary features depend on cloud processing of the content you're reading Free tier likely limits how much AI functionality is available
Downloadable app, Browser extension	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
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 22, 2026

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