On the other hand, Angry Birds Space and Star Wars are more expensive in the Windows Store than on the iOS App Store (though I only checked on my iPhone, not on

On the other hand, Angry Birds Space and Star Wars are more expensive in the Windows Store than on the iOS App Store (though I only checked on my iPhone, not on my iPad), and a ton of the top iOS apps these days are free but make their money through in app purchases. At this point, I just assume that an app that's free on iOS is going to annoy me to death with in app purchase gameplay mechanics and nags.