The Message UI framework provides specialized view controllers for presenting standard composition interfaces for email and SMS (Short Messaging Service) text messages. Use these interfaces to add message delivery capabilities without requiring the user to leave your app.

StoreKit enables users to embed a store in their app. It also process financial transactions associated with the purchase of content and services.

The UIKit framework (UIKit.framework) provides the crucial infrastructure needed to construct and manage iOS apps. This framework provides the window and view architecture needed to manage an app’s user interface, the event handling infrastructure needed to respond to user input, and the app model needed to drive the main run loop and interact with the system.

A drop-in replacement for MPMoviePlayerController that exposes the UI elements and allows for maximum customization.

A grid menu with elastic layout, depth of field, and realistic animation.

AdMob has been rebuilt, leveraging the best of Google's ad platforms. It's designed for app developers, with an intuitive UI to help you start earning from your app quickly, create campaigns in minutes to acquire new users, and gain insights into your app's performance.

DoubleClick for Publishers (DFP) Mobile is an ad delivery system for mobile websites and applications that delivers dynamic, interactive ads to mobile web pages and applications based on specific criteria as determined by you. It supports a wide range of devices and boasts a full management and reporting suite.

The iOS SDK provides Facebook Platform support for iOS apps.

A Very High Performance Objective-C JSON Library.

In-App Purchases StoreKit for iOS devices.

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