is the IDE for creating native iOS apps. It includes the iOS SDK and Xcode command-line tools. Xcode can be downloaded for free with an Apple account. It can also be installed through the App Store.

All iOS apps must be code signed, even for development. Luckily, Xcode makes this easy with automatic code signing. The only prerequisite is an Apple ID.

Creating an iOS Simulator

The iOS simulator emulates iOS devices on Macs. The following documentation is a quick way to get the iOS simulator set up. For more information, see Apple's documentation.

ios-sim & ios-deploy

The and are utilities that deploy apps to the iOS simulator and iOS devices during development. They can be installed globally with npm.