Downloading testCard 3.7 for Mac from our website was free. This free software for Mac OS X is a product of Sigma6. The software lies within Design & Photo Tools, more precisely Viewers & Editors. Our built-in antivirus checked this Mac download and rated it as 100% safe.
From the developer:
The TestCard app is a small tool to display pixel perfect test patterns on any connected display. The default test pattern is a custom made design that suits your needs to caliber any type of display or video projectors. You can use it to check the position and distortion, and also colors, grays, contrasts and interlacing.
You may want to check out more software for Mac, such as TestCard App, which might be related to testCard.