MacroFactor is described as 'Combines innovative coaching algorithms with proven nutrition and behavioral science to help you reach your diet goals and achieve empowering, sustainable results' and is a Calorie Tracker in the sport & health category. There are more than 25 alternatives to MacroFactor for a variety of platforms, including iPhone, iPad, Android, Web-based and Android Tablet apps. The best MacroFactor alternative is FoodYou, which is both free and Open Source. Other great apps like MacroFactor are MyFitnessPal, Cronometer, Mahlzait and Calopal.