Do I need server for app purchase for iphone apps?

I am one man developer and my apps is pretty simple. The user will purchase and download it in app store. I don't have like lite version or whatsoeve开发者_JAVA技巧r. so it is pretty simple. Do I really need server for In-app purchase? I do have free apps in app store. I thought it works like similar. but apparently it is not. Thanks in advance.

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If your app is simply downloaded from the app store you don't need in app purchases at all. In app purchases are for when the user makes a purchase after the app is installed. And you don't need a server to do this either.

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No, not necessarily. See the In App Purchase Programming Guide for specific situations in which you need a server.

If you decide you do need a server but don't want to have your own, take a look at Urban Airship for a good 3rd-party service.