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Reams vs Instapaper: catalog facts
Reams	Instapaper
Freemium Free to use with a paid tier for extra features.	Freemium Free to start; check the site for current paid options.
Web	Android, iOS, Web, Browser extension
Unifies RSS, newsletters and saved articles instead of just feeds Highlights and tags help organize long-term reading	Saves articles to read later instead of keeping tabs open Reading on iOS, Android, computer and eReaders
Primarily browser-based rather than a native desktop or mobile app Newer, smaller product compared to established readers	Hosted service, so your reading list lives on its servers Does not follow RSS feeds on its own
Web application	Downloadable app, Web application, Hosted service, Browser extension
Open source	Closed source
License: MIT	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.