PressPerCent 3.6.2 for Mac could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. This Mac app is an intellectual property of Excourse. PressPerCent for Mac lies within Design & Photo Tools, more precisely Viewers & Editors. Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe.
From the developer:
PressPerCent started out around 20 years ago as a simple ink key pre-setting software tool -- a popular subject at the time when printing press manufacturers and printers were searching for less expensive, space-saving solutions to replace hardware plate scanners.
You may want to check out more software for Mac, such as Smith Chart for Mac, Movie2Shot or TVPaint Animation, which might be related to PressPerCent.