Xcode allows you to live preview your iOS views using Xcode Previews, so you can see how the app appears as you're actively developing it. Here's how to use them.

However, since the objective of the tutorial is to get to know Xcode, it does not discuss the details of the app code. The sample app is created using a template to have a project in Xcode to discuss.

Text has long been customizable in Xcode when creating software for Apple's platforms. Now, String catalogs make it even easier to localize your app to multiple languages.