I was not that happy to see App Store bundles announced, as it seemed like a way of driving app prices down even further. Instead of one app for 99 cents, you can get two or three. However, Michel Fortin suggests that bundles could also be used to implement upgrade pricing. Put the old and new versions of your app in the same bundle, and the App Store will discount the bundle based on what you already paid for the old version. You end up getting the new version at a discount.
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