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Sign up information - Three view controllers

I have a three step sign up that uses three different view controllers and I have to do a post request when I finish fill all the fields in.

  • First view controller - Name, Email, Password.

  • Second view controller - Location.

  • Third view controller - Languages and Interests.

  • Fourth view controller - I do a post request in the viewDidLoad().

So, what should I use to store the data? Would plists be a good practice or I should do something different?