Compare software

Paper DigestR Discovery
Freemium

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

 Freemium

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

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

Checked September 26, 2026

Checked October 1, 2026

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