PDFpen is designed to work with a pressure-sensitive stylus.
In PDFpen’s scribble markup tool, PDFpen uses the pressure of the stylus to vary the stroke width for natural and expressive document markup.
PDFpen supports the following styluses:
Apple Pencil
Learn more
Pencil from FiftyThree
Learn more
Jot Touch & Jot Script from Adonit
Learn More
