Optimizing for High Resolution

With OS X and iOS, it’s easy to make apps look stunning on any display. By optimizing your graphics for high resolution and letting the system frameworks do the rest, you can ensure seamless transitions between standard resolution displays and the Retina display.

Mac Apps

High Resolution Guidelines for OS X Get a comprehensive look at optimizing Mac apps for high resolution displays, including advanced techniques, APIs, testing, and more.
OS X Human Interface Guidelines Review guidelines on creating high resolution icons for Mac apps.

iOS Apps

Drawing and Printing Guide for iOS Learn about drawing and image handling in iOS and optimizing your app for high resolution displays.
iOS Human Interface Guidelines Get guidance on creating high resolution app icons and launch images.

Safari and Web

Safari Image Delivery Best Practices Get tips on how to efficiently deliver website images that look great on both standard resolution displays and Retina displays.