15+ iOS apps curated and reviewed
The best ppi guru apps on iPhone average 4.3★ across 15+ titles — we've ranked them by what real users actually keep on their phones. Updated May 2026.
This utility calculates the display's PPI (Pixels Per Inch) of various devices, such as phones, laptops, and monitors, by inputting screen width, height, and diagonal size, and also indicates if the display is a Retina Display. Try it out and easily check the PPI of your device or search for public sale devices to get their display information.
This application helps you calculate the resolution of your display based on its dimensions and pixel count, and understand key concepts like PPI (Pixels Per Inch) and DPI. With this tool, you can learn how to calculate PPI, categorize resolution, and explore the differences between PPI and DPI.
This application helps users calculate the base parameters of various displays, including monitors, phones, and notebooks. Download it now to easily determine the essential specs of your device's screen.
This application allows users to easily calculate DPI and other display settings by simply inputting the resolution and diagonal measurements. Try it out to get instant calculations for your display needs.
This application allows you to calculate the PPI (pixels per inch) of any screen, along with its aspect ratio and measurements, and provides a list of standard resolutions and common devices for easy reference. Download it now to easily get accurate screen data in inches or centimeters.
Easily adjust the DPI value of your images with this app. Save, share, or print images with the modified DPI setting. Try it now for quick image resolution changes!
This tool helps you convert pixel values to and from percentages based on a target screen size, making it easy to work with coordinates and sizes for various devices and orientations. Try it out to simplify your design and development process.
This picture processing tool helps users quickly and easily edit and enhance their screenshots with features like scrolling screenshots, picture splicing, and annotation. With a simple and ad-free interface, users can efficiently process and share their images with various filters, adjustments, and customization options.
