The DSD hands on app is to be used for training purposes at the DSD Residency. It does not allow you to design on the iPhone or the MAC, and does not include Artificial Intelligence technology. With Artificial Intelligence Smile design on SmileFy App is done with 3 clicks, in less than a minute. SmileFy is available on iPhone, iPad, and Mac. SmileFy was created to make designing and treatment planning much faster, more precise, and much easier.