iOS Human Interface Guidelines
Design
Free iOS 7 GUI Kits and Templates
All of these free iOS and Android mobile UI kits come packaged with an extensive collection of customizable screens and UI elements.
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