Creating a 15 days trial

Discussion in 'Mac Programming' started by ruhi, May 24, 2010.

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  1. ruhi, May 24, 2010

    ruhi macrumors member

    Joined:
    Jun 17, 2009
    #1
    Hello,

    I have made an application. Now i want to make its fully functional 15 days trial. But i do not want to take date into consideration as its easy to crack date based trial.

    Can you please suggest be a secure and reliable way to make trial in objective-C?

    Thanks,
    Ruhi.
     
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  2. rossipoo, May 24, 2010

    rossipoo macrumors regular

    Joined:
    Jun 7, 2009
    #2
    You could connect to a timer sever to check the time.

    You could limit it instead to 15 startups.

    You could do 15 different days. (This is my preferred method to be limited by.)

    I think it's better to just be annoying than be fool proof. The relationship between freeloaders you can stop and how much time you spend doing so is exponential. Most people will be stopped with a very simple mechanism, but it will take really hardcore protection scheme to (maybe?) stop the rest.
     
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