Compare software

R DiscoveryPaper Digest
Freemium

Free to use, with paid plans listed on its pricing page.

 Freemium

Can be tried without signing in; full pricing is not described in the research.

Android, iOS, Web, Browser extension Web
  • Personalized feed of new research papers
  • Chat PDF and AI answers with references
  • Literature review, question answering and claim verification in one place
  • Search across papers, patents, grants and people
  • Some features require a paid plan
  • Closed source hosted service
  • Hosted service only
  • Pricing for full use is not clearly stated
Downloadable app, Web application, Browser extension Web application
Closed source Closed source
License not stated License not stated
Not stated if an account is needed No account needed
Not stated if it works offline Needs internet

Checked October 1, 2026

Checked September 26, 2026

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