This study aims to develop an application to detect fatigue and educate people about diabetes. The research method used is Research and Development (R&D). The analysis results obtained the conformity of the validation results of media experts 1 and 2 (kappa 0.654; p = 0.001). 95.5% of people with diabetes stated that the application was feasible without revision. The application contains a menu of measurement and education. In conclusion, DTIK is an application that can detect fatigue more efficiently during the COVID-19 pandemic. This application is free and can be used by people with diabetes anywhere and anytime. Keywords: Application, Fatigue Detection, Diabetes Education
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