I hit the device limit constantly on iTunes and have to declare "bakruptcy" (unuauthorize all devices) to reset it. This is what happens when you have a laptop,

I hit the device limit constantly on iTunes and have to declare "bakruptcy" (unuauthorize all devices) to reset it. This is what happens when you have a laptop, a desktop and work and home, a gaming computer, and things like a media centre computer. I have never once hit it on apps.