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 50 alternatives to MacroFactor for a variety of platforms, including iPhone, Android, iPad, 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 Whey to Go, MyFitnessPal, BiteDeck and MyNetDiary.