Kuika's Is iOS action allows you to determine if the user's device is running on the iOS operating system. It is used to check your app's functionality and compatibility requirements specific to the iOS platform. For example, if a user is using your app on an iPhone or iPad, this action can be used to determine if the device is running on the iOS operating system and allows iOS-specific features or content to be shown. In this tutorial, you will learn how to use the Is iOS action to check if the device is on the iOS operating system.