Frameworks

• Cocoa Touch Layer
• AddressBookUI
• ContactsUI
• EventKitUI
• MapKit
• MessageUI
• NotificationCenter
• PhotosUI
• ReplayKit
• Twitter
• UIKit
• WatchKit
• iAd

• Media Layer
• AVFoundation
• AVKit
• AssetsLibrary
• AudioToolbox
• AudioUnit
• CoreAudio
• CoreAudioKit
• CoreGraphics
• CoreImage
• CoreMIDI
• CoreText
• CoreVideo
• GLKit
• GameController
• ImageIO
• MediaAccessibility
• MediaPlayer
• Metal
• MetalKit
• MetalPerformanceShaders
• ModelIO
• OpenGLES
• Photos
• QuartzCore
• SceneKit
• SpriteKit

• Core Services Layer
• Accounts
• AdSupport
• AddressBook
• CFNetwork
• CloudKit
• CloudKit JS
• Contacts
• CoreData
• CoreFoundation
• CoreLocation
• CoreMedia
• CoreMotion
• CoreSpotlight
• CoreTelephony
• EventKit
• Foundation
• GameCenter
• GameplayKit
• HealthKit
• HomeKit
• JavaScriptCore
• MobileCoreServices
• MultipeerConnectivity
• NewsstandKit
• PassKit
• PushKit
• QuickLook
• SafariServices
• Social
• StoreKit
• SystemConfiguration
• UIAutomation
• WatchConnectivity
• WebKit

• Core OS Layer
• Accelerate
• CoreBluetooth
• ExternalAccessory
• LocalAuthentication
• NetworkExtension
• Security
• System