PPI Calc is a free utility tool available for iPhone users that simplifies the process of calculating pixels per inch (PPI) for various screens. With this application, users can effortlessly determine the PPI, aspect ratio, and screen measurements, including height, width, and area. The convenience extends to providing data in both inches and centimeters.

Moreover, PPI Calc offers a list of standard resolutions and popular devices for quick reference. Users can easily select the desired item from the list to access preset data, eliminating the need for manual input. This application streamlines the PPI calculation process and provides valuable information for screen analysis.