Xcode

Start

Xcode is Apple's integrated development environment for creating applications on iOS, Mac, and Safari.

First, register as an Apple Developer for free to learn Xcode.

Afterward, register as an iOS Developer or Mac Developer for pay to publish iOS or Mac content.

Or afterward, register as a Safari Developer for free to publish Safari content.

Intel-based Mac

Mac OS X 10.6 Snow Leopard or later

Requirements