Rooting an Android device means going past the restricted levels set up by the OEM of the device to gain privileges that regular users can’t access. Rooting is generally done to customize your device's performance and looks according to your preferences. However, rooting doesn’t exist on iPhones or iPads to gain additional access to the operating system. However, a similar method is present in the Apple ecosystem, known as Jailbreaking. But unfortunately, you can’t jailbreak your iPhone to customize your app icons and change the colors and you must simply adhere to the tutorial mentioned above to make your Home Screen look the way you want it to be.