I walk through how I change and customize app icons on my iPhone. I start with the built-in options like changing icon size, ...

Want to switch back to full-color icons? Just repeat steps 1-3, but select Default instead of Clear. iOS 26 also lets you choose between always using Dark icons, automatically switching from Default ...

You can change nearly any app icon on your iPhone or iPad using the Shortcuts app, and then hide the original icons in your App Library.