Download of Uncia 1.2 for Mac was on the developer's website when we last checked. We cannot confirm if there is a free download of this app available.
According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. This free application was developed to work on Mac OS X 10.8 or later. The actual developer of this free software for Mac is Pierre Tacchi. The most popular version of the software is 1.1. Uncia for Mac relates to Design & Photo Tools.
From the developer:
Uncia is an easy to use application that allows you to calculate how pixel-wide has your documents. You can calculate pixels by entering the width and height of your document, its print resolution and it'll give you its pixel size for both width and height.
You may want to check out more software for Mac, such as PulpMotion Advanced, Morph Age or Kid Pix Deluxe 3X, which might be related to Uncia.