Does NSUserDefaults get erased when an app gets updated?

Question

In my App i am using NSUserDefaults to save some data. I have a doubt regarding this when i update the app in App Store, Will The Data in NSUserDefaults will remain same or it i

Answer 1

No, it will not be erased on updating

Answer 2

NSUserDefaults will not be erased during update, but it will be removed when you uninstall an app.