Chapter 8. Making a Better App

You may have heard the saying: “The last 20 percent of a task takes 80 percent of the effort.” That axiom certainly rings true for software development. Often times as a developer, you’ll expend most of your energy on getting the final touches of your application just right. It’s what makes the difference between a good app and a great app.

It’s the Little Things

The simple interest calculator you began working on in the last chapter is an example of such a process. Although it is definitely functional, it could use some additional tender loving care. Let’s dive into making this nice little app better, and at the same time, dive deeper into Swift.

Show Me the Money

In the simple interest app, the result is not ...

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