I'm talking about the kind of platform lock-in where your next phone needs to be an iPhone because your last one was, or where you buy an iPad because you have

I'm talking about the kind of platform lock-in where your next phone needs to be an iPhone because your last one was, or where you buy an iPad because you have an iPhone and you don't have to buy the apps again. That's the kind of lock-in that is threatened by platform neutral IAP. You play Candy Crush on your iPhone when you are out, but when you are home you play on the cheap Android tablet you got because it has a bigger screen.