I really like how fast it works and easy to use. It's not super expensive either. The only thing that was annoying me at first when I used this software was that you were pretty much stuck with using one of their preinstalled templates in order to get the look or feel that you want out of your product design. But once you do find what looks right, it becomes almost second nature! There are multiple options that will give you different results/styles but they're all fairly similar so there isn't anything too hard to pick up on if you haven't already done so. If you have never done any sort of prototyping before, then it might be very difficult since most people know how other programs work. This can take some getting used to and having someone who knows what they're doing help guide you through things would definitely be beneficial.