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Readwise Reader vs Instapaper: catalog facts
Readwise Reader	Instapaper
Paid Paid subscription.	Freemium Free to start; check the site for current paid options.
Windows, macOS, Android, iOS, Web, Browser extension	Android, iOS, Web, Browser extension
Handles many content types in one inbox, not just web articles Deep highlighting and search tools for power readers	Saves articles to read later instead of keeping tabs open Reading on iOS, Android, computer and eReaders
Paid subscription required Most valuable when paired with the separate Readwise highlights product	Hosted service, so your reading list lives on its servers Does not follow RSS feeds on its own
Downloadable app, Web application, Browser extension	Downloadable app, Web application, Hosted service, 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 22, 2026	Official website Full listing and sources Checked September 23, 2026

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