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PDF Annotator vs Drawboard PDF: catalog facts
PDF Annotator	Drawboard PDF
Paid Paid software with a free trial.	Freemium Free to download, with paid plans for additional features and teams.
Windows	Windows, macOS, Android, iOS, Web
Handwritten annotations with pen and touch on tablet PCs Annotations saved into the original PDF and viewable anywhere	Markup tools designed for pen and touch input Annotations sync live across all devices
Windows only Paid after the trial	Team review features are aimed at architecture and engineering Advanced features sit behind paid plans
Downloadable app	Downloadable app, Web application
Closed source	Closed source
License not stated	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 23, 2026

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