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Editorial Team
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Asked: 2026-05-16T09:09:19+00:00

The NSUserDefaults class provides us a convenient way to store/restore shared data. But I

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The NSUserDefaults class provides us a convenient way to store/restore shared data. But I got a question: how to delete data when user uninstalls the app? As we all know, apps should clean all its data/files when it’s deleted. Leaving anything that won’t be used anymore shouldn’t happen, isn’t it? As far as I know, an app will never know when it’s uninstalled. How to remove the shared data in userdefaults then?

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1 Answer

  1. Editorial Team

    The iPhone automatically deletes all of an app’s data when it deletes the app. That’s all. No need to clean up.

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