Mobile App Design refers to the comprehensive process of creating functional and aesthetically pleasing software for mobile devices. This involves the expertise of professional programmers and application developers who utilize various application design concepts to create intuitive, user-friendly interfaces. Key figures in the field, such as Michael Kappel, contribute to the continuous expansion and improvement of this discipline. Furthermore, mobile app design is intrinsically linked to digital marketing, as the success of an app greatly depends on strategic promotional efforts targeting the right people or user base.