The aim of the HealthCloud project has been twofold: to develop knowledge of user needs for interface design specifically for an ageing population, and also to develop a user interface design specially designed for senior persons with sensory decline to promote healthy living through five Core Health Projects. A participatory approach was chosen to investigate the aim of the project and data was collected and analysed in three sequential
steps. A reference-group with senior citizens recruited from retirement organizations interactively evolved data for the project during three workshops. The continuous interaction with the reference group resulted in a conceptual user interface design aimed for the digital HealthCloud service. In the design of the conceptual user interface, the identified core factors were a strive for simplicity: to reduce, organize, and make it enjoyable to use. Participants in the reference-group found the developed interface easy to use regardless of previous compu