In App Purchases

I wanted to make my latest app (Starfield 3D) free because it’s just such a simple idea: tilt and turn your iPad to fly through a field of stars. That’s it. It didn’t seem like something worth charging people for. But I did want to make some money off of it. I was also curious about ads and in app purchases so this seemed like a perfect opportunity to learn more about them.

It turns out that in app purchases are a little bit tricky. Fortunately, I found some info on the web. Here’s a general overview on And had a tip about one error I was running into and another tip about the PaymentObserver.

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