One of the lesser talked-about features of the upcoming OS X Mavericks system is that of Mac App Store subscriptions. In iOS, developers are able to charge users on a recurring basis, like a subscription. Magazines in Newsstand do this fairly easily, and I have several subscriptions to magazines there.
This wasn’t available to OS X apps until the release of OS X Mavericks, and you can manage your subscriptions from the Mac App Store right now if you’re running the new Mavericks beta on your Mac right now. Here’s how.