Using an app to count calories: Motives, perceptions, and connections to thinness- and muscularity-oriented disordered eating.

The number of people counting calories through apps is increasing, yet concerns have been raised that this could trigger symptoms of eating disorders. Although associations between calorie tracking and eating disorder symptomatology have been identified, further research is needed to understand motives for, and the perceived impact of, using a calorie tracking app. This study addressed these gaps with data collected from 1357 adults.