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Editorial Team
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Asked: 2026-06-05T14:13:49+00:00

Our app allows the users to do a thing once, and only once. Some

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Our app allows the users to do a thing once, and only once. Some data is send to the server and the user gets something in return. However, the user can just reinstall the app in order to use this function again.

How do you prevent this from happen? Since “[[UIDevice currentDevice] uniqueIdentifier]” is deprecated and might cause rejection???, what is the best way to solve this?

Thanks in advance

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1 Answer

  1. Editorial Team

    You could use

    OpenUDID

    #include "OpenUDID.h"
NSString* openUDID = [OpenUDID value];

    Get it from here
    Link to repository

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