I have multiple games on the iOS app store. I want to give users free game coins when they download any of my other games. Is there a way to do this without setting up a server? In case a server is the only option, what is the best way to do so!
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I don't know this for certain, but I could imagine there might be a way to solve this using the game center? – Michael Dautermann May 25 '13 at 07:48
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Here's a useful link: Share data between two or more iPhone applications
Basically, I believe the options are:
- Use
UIPasteBoardas mentioned here. Sample code here. - Use custom URL schemes
- Using keychain
- Using a server - the first time an app is opened it would send a request to the server to notify that the app was installed; the app offering credits would send a request (probably when it becomes active) to check if the user has downloaded any new apps.
