Compare software

OpenAlexPublish or Perish
Free

Free to search, analyze and reuse.

 Free

Free desktop software from Anne-Wil Harzing.

Web Windows, macOS
  • Covers about half a billion scholarly works
  • Web app, API and bulk download
  • Calculates a range of citation metrics, including the h-index
  • Exports results to several file formats or the clipboard
  • A search catalog rather than an AI reading assistant
  • Analysis beyond the web app needs API or data skills
  • Depends on third-party data sources for its citation data
  • Desktop only, for Windows and macOS
Web application, Hosted service Downloadable app
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

Checked October 1, 2026

Checked October 2, 2026

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