What is the iOS Dev Center?
The iOS Dev Center provides a complete set of resources for developing iOS apps, including software downloads, videos, sample code, and documentation in the iOS Developer Library.
What are the requirements for developing with the iOS SDK and Xcode?
To develop with the iOS SDK and Xcode, you must have an Intel-based Mac running Mac OS X Snow Leopard or later and you must be registered as an Apple Developer.
As a Registered Apple Developer, what do I have access to in the iOS Dev Center?
As a Registered Apple Developer you have access to the latest version of the SDK, as well as pre-release documentation, videos, and sample code in the iOS Dev Center.
Do I need to be an iOS Developer Program member to access pre-release software?
Yes. You must be enrolled in the iOS Developer Program or the iOS Developer Enterprise Program to access pre-release software.