Compare software

Xodo vs PDF Annotator: catalog facts
Xodo	PDF Annotator
Freemium Reading and annotation are free. Editing and conversion quotas require a paid plan.	Paid Paid software with a free trial.
Windows, Android, iOS, Web	Windows
The same annotation and signing tools on web, desktop and mobile Works directly against Google Drive, Dropbox and OneDrive	Handwritten annotations with pen and touch on tablet PCs Annotations saved into the original PDF and viewable anywhere
Conversion and advanced editing are limited without a paid plan Closed source, and online tools process files on their servers	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
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked October 1, 2026

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