Why AppleTV & iPad beats Interactive Whiteboard….every time. So lets compare these two devices in terms of function, cost, and extras. I will look at what the devices do similarily, how much the average cost is for the devices, and what other advantages one tool might have over the other. The iPad is mobile, it can be passed amongst your students in your classroom. No one has to get up and walk to the board in order to interact with your lesson… you can bring it right to them.