Mobile event apps have stormed onto the scene over the last few years. The rise of the smartphone has led to the almost universally held belief that they can supplant dedicated devices completely and will be better on all levels. Literally, hundreds of providers appeared in the market and they are all hungry for your business.
In some respects they are right. There are undoubtedly many more things you can do with a smartphone than you can do with an electronic voting keypad.