Khansa Sulthanah Rumi and Agustin Rusiana Sari 2026. Evaluating User Experience of the Workout Tracker Feature in the FIT HUB Mobile Fitness Application Using the User Experience Questionnaire and Usability Testing. Jurnal Informatika Dan Tekonologi Komputer (JITEK). 6, 1 (Mar. 2026), 228–241. DOI:https://doi.org/10.55606/jitek.v6i1.10889.