With over 4,000 new APIs, iOS 8 lets you create custom app extensions, utilize exciting capabilities like HealthKit, HomeKit, and CloudKit, and take advantage of bold new game technologies like Metal, SceneKit, SpriteKit, and more. Download iOS 8 beta and Xcode 6 beta to explore these new features, as well as Swift, the innovative new programming language for Cocoa and Cocoa Touch.