do. Active Products introduces a free app to help you lose weight. This app was created to compliment do. Active Products, a hair and skincare product line designed by personal trainers for active individuals who center their lives around health, wellness and beauty. The do. app allows you to set your customized plan and weigh-in to chart your results. The app includes an expansive database of foods, powered by fatsecret. You can track your calorie consumption as well as view nutrition facts for each food item. In addition, the app allows you to create custom exercises and track your calories burned.