iOS app development is the process of creating mobile apps for Apple's iOS operating system. This includes all iOS devices, including iPhones, iPads, Mac computers, and the iPod Touch. Apple provides convenient tools and resources for developing apps for their devices. As a result, iOS app developers can easily code in native languages like Swift or Objective-C – iOS apps can only run on these. With these tools, iPhone app developers can create, test, and refine applications for devices that run Apple's operating system while adhering to the company's goals and standards. You may have a basic understanding of the inner workings of app development, or this may all be double Dutch to you.