The research was build upon different phases. During the first phase, we did in-depth interviews and workshops with 11 students with autism to find out what kind of needs they have. But also to check out what kind of requirements they mention for user interfaces. Subsequently, we used this insights to make three agenda app prototypes, one for each design style (Skeuomorphic, Flat en Material Design), within InVision. These prototypes were finally used to do a user test with the same participants. This resulted in a lot of insights but overall we could conclude that Material Design works best for smartphone applications designed for students with autism.