If you're shopping for a mount or kneeboard you'll quickly have to answer the question, "which iPad do I have?" It's not as simple as it might sound, so if you're not sure which model you have, you're not alone. Please note that we loathe the naming convention Apple has chosen for the iPads as much as you do. It’s difficult to be sure which iPad you have but if you need to look that information up here’s how you do so.