Compare software

ABBYY FineReader PDFNAPS2
Paid

A paid licence or subscription is required after the trial.

 Free

The open-source application is available without a license fee.

Windows, macOS Windows, macOS, Linux
  • Recognition and layout retention that free engines do not match
  • Compares two versions of a document even across different formats
  • Works with nearly any scanner protocol on Windows, macOS and Linux
  • Built-in OCR produces searchable PDFs with no extra step
  • Expensive subscription or licence
  • Windows and macOS only, closed source
  • Deliberately simple; it is not a document management system
  • OCR language packs must be downloaded separately
Downloadable app Downloadable app
Closed source Open 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 September 22, 2026

Checked September 22, 2026

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