The Mac Observer | Some iOS and OS X Developers Just Found a Way to Offer Upgrade Pricing on ... The Mac Observer Upgrade pricing has been around long enough that it had virtually become standard practice by the time Apple's App Stores came along. Since neither the iOS nor Mac App Stores offer upgrade pricing, it's been tricky to release a new version of an ... |
Tuesday, January 6, 2015
Some iOS and OS X Developers Just Found a Way to Offer Upgrade Pricing on ... - The Mac Observer
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