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It has been estimated, on a global scale, that a limb is lost every 20 s due to diabetes. Effective treatment has, however, been shown to reduce the risk of amputations and foot ulcers. Self-management and the provision of effective foot care in the clinic and at home, is viewed as instrumental in providing appropriate care for people with diabetes. This in turn can reduce the costs associated with treating and managing diabetes and its associated complications. This paper presents a usability evaluation of a smartphone based solution for the management of diabetic foot disease. The solution combines novel thermal imaging with tailored educational content and gamification elements in an attempt to improve self-management of the condition. The solution was evaluated in a workshop setting by 7 participants. Overall, the participants felt the proposed solution would be a very worthwhile endeavor. They rated the usability and utility at an acceptable level (SUS 69.1/100). Notable suggested improvements focused on how educational content was formatted and searched in addition to the physical support provided to facilitate imaging of the feet.