iOS Human Interface Guidelines
iPhone Application UI Design Patterns
Mac, iPhone & iPad interface design consulting, writing and speaking featuring tutorials, interviews, techniques and thoughts on crafting & building beautiful software. By Mike Rundle.
Mobile UI Patterns
iOS UI Patterns (beta)
Check out the finest collection of design patterns, resources, mobile apps and inspiration
Icon and Image Sizes (iOS Human Interface Guidelines)
Learn about designing apps for iOS.
Human Interface Guidelines
The HIG contains guidance and best practices that can help you design a great experience for any Apple platform.