KDAN PDF vs Skim

KDAN PDF plans

• KDAN PDF FreeFree
• Document 365$59.99 a year
• Document 365 AI+$99.99 a year
• Lifetime License$119.99, paid once

Skim plans

• FreeFree

Pick KDAN PDF if…

KDAN PDF suits people who need PDF tools across mobile and desktop platforms, from basic reading and annotation to OCR and conversion. Its one-device lifetime desktop license may suit users who need offline work.

Pick Skim if…

Skim suits macOS readers who annotate scientific papers or other PDFs and need presentation, scripting, or LaTeX-related tools. It is intended for desktop use on supported macOS versions.