App software developers https://mlsdev.com/blog/71-development-of-mobile-apps-for-food-delivery-services usually use a number of different tools when developing applications. However, they generally use one or two of these tools at a time. For example, the Apple Xcode IDE, for example, includes an API that lets developers customize an app’s code. The Apple Xcode developer uses the latest version of the iOS SDK. The latest version of iOS will also be compatible with previous versions. The tools used to create an application for the web must be flexible and compatible with all devices.