The iBlad App - a National, Exploratory Study on a Multimodality Smartphone App for Bladder Cancer Patients

The aims of this project are: * to develop and implement a national multimodality application for patients with bladder cancer that builds upon knowledge from the iBLAD study. * to investigate how the app, containing PRO questions on symptoms and QoL, information for health care providers, and peer-to-peer advice, can provide more knowledge on symptoms, QoL, and the need for supportive care. * to examine the usability of and patient satisfaction with the app using qualitative methods.