You use this app when you use an Arboleaf Body Composition Smart Scale. This free app tracks your body weight, body fat, BMI, and other body composition data. It provides the information and inspiration to track your weight loss progress and to keep your fitter. Arboleaf app and Smart Scale make it easier for you to track your health, fitness and set goals. Step on the Smart Scale, you can have your overall body composition data including: - Weight - Body Fat - BMI (Body Mass Index) - Body Wat...