It is possible to build an iOS app that has a default app icon, and then based on your custom application logic, change the icon programmatically using setAlternateApplicationIconName (https://developer.apple.com/documentation/uikit/uiapplication/2806818-setalternateiconname)
You can take a look at this blog: https://www.hackingwithswift.com/example-code/uikit/how-to-change-your-app-icon-dynamically-with-setalternateiconname
albertinad
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