Objective To explore the relationships between the use of food intake and activity monitoring tools with compulsive exercise, eating psychopathology, and psychological wellbeing. Method Participants (N = 352; mean age 21.90 years) indicated their use of activity and food intake monitoring tools, and completed the Compulsive Exercise Test (CET), Eating Disorders Examination Questionnaire (EDE‐Q), and the Warwick Edinburgh Mental Wellbeing Scale (WEMWBS). Results Users of monitoring tools reported significantly higher CET and EDE‐Q scores than nonusers. Positive associations were detected between the frequency of activity monitoring tool use with CET and EDE‐Q scores. Participants who reported using monitoring tools primarily to manage weight and shape reported higher levels of eating and compulsive exercise psychopathology than those who reported using tools to improve health and fitness. Discussion Features of compulsive exercise and eating psychopathology are elevated among users of food intake and activity monitoring tools; and particularly among those who report using the tools for weight and shape purposes. Longitudinal and experimental research is needed to further our understanding of these observed associations, and specifically to explore the prospective relationships between monitoring tool use, eating psychopathology, and compulsive exercise.