Themes - iOS - Human Interface Guidelines - Apple DeveloperiOS Design Themes As an app designer, you have the opportunity to deliver an extraordinary product that rises to the top of the App Store charts. To do so, you'll need to meet high expectations for quality and functionality. Three primary themes differentiate iOS from other platforms: Clarity. Throughout the system, text is legible at every size, icons are precise and lucid, adornments are subtle
Apple Developer Documentation
