Many times, developers jump into Xcode and start hacking away as soon as they have an idea. Although it is possible to create an application in this fashion, if you want to build a truly successful production app you should prototype first—or fake it until you make it. Apple has had a few presentations over the last few years at WWDC14 and WWDC15 that highlighted the importance of prototyping and user-testing apps.
In this chapter we are going to start with an overview of Sketch 3, then we will create the first version of our app. Finally, we will cover ...
