As others here have said, once you get used to the flow of using it with the app, you'll love it! I didn't pay close attention in the app to the blue and black balls in the illustrations and really jacked it up. When I realized my mistake and did it over, it was perfect. Once I got used to it, it really is quicker than the old way because following the app, once you've gone through all the steps, you've set everything along the way. Swash level, collective and cyclic pitch... Wonderful tool.