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Drawboard PDFPDF Annotator
Freemium

Free to download, with paid plans for additional features and teams.

 Paid

Paid software with a free trial.

Windows, macOS, Android, iOS, Web Windows
  • Markup tools designed for pen and touch input
  • Annotations sync live across all devices
  • Handwritten annotations with pen and touch on tablet PCs
  • Annotations saved into the original PDF and viewable anywhere
  • Team review features are aimed at architecture and engineering
  • Advanced features sit behind paid plans
  • Windows only
  • Paid after the trial
Downloadable app, Web application Downloadable app
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 Works offline

Checked September 23, 2026

Checked October 1, 2026

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