Every variety has unique qualities of its own. Choose wisely based on the intended application and purpose. The KISAE's output display is a bit of a weak point because it sort of cycles through the relevant data, which requires some ability to recognize. It's not difficult in and geometry dash lite of itself, but for some people it may be. Lacks Bluetooth capabilities and is not isolated. Support has been robust, and this is still a strong low-cost unit. The only thing that bothers me is that I was hoping for some updated versions, perhaps with more features. However, there is no issue obtaining your return on engineering investment.