Unless you're specifically developing an iPad app, the chances are that you'll always start working on the iPhone version first. Don't worry—we all do it. But working on the iPad version isn't as daunting as you might think, especially as Apple allows you to submit one binary for both platforms.
In this section, we're going to touch on some changes we can make to prep our project to support iPadOS—whether you choose to do this at the start of your project or halfway through, it's worth bearing some of these in mind.