About the iOS SDK

The iOS SDK comprises all the libraries you need to write iOS apps, as well as the iOS Simulator for you to try out your apps on your Mac. The SDK is included with the Xcode tool, which is used for creating iOS and Mac applications.

You can register for free for the Apple Online Developer Program and download and explore the full iOS SDK programing environment. However, as discussed in the next section, this program doesn’t let you deploy your applications to an actual iOS device, such as the iPhone or iPad. If you want to do that, you need to register and become a member of Apple’s iOS Developer Program. There are four program choices, described in Table 1-1.

Table 1-1 iOS Developer Programs

Each program offers access to ...

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