Retinal
Check retina capability
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Free
About
Not all displays for Mac are well suited to display the user interface in a non-scaled resolution. A pixel density of about 110 pixels per inch (PPI) for non-Retina, and about 220 PPI for Retina is comfortable for most people.
Use Retinal to work out the pixel density of any display.
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What's New in Retinal
1.2
September 14, 2025
– Updated for iOS 26
