Nutrydex is described as 'Calorie calculator & counter for web, mobile and tablet. View calorie and nutrition content of foods. Sum macros. Calculate your BMR and set a goal. Start tracking your calories' and is a Calorie Tracker in the sport & health category. There are more than 50 alternatives to Nutrydex for a variety of platforms, including iPhone, Android, Web-based, iPad and Android Tablet apps. The best Nutrydex alternative is Open Food Facts, which is both free and Open Source. Other great apps like Nutrydex are FoodYou, MyFitnessPal, PogiFit and Cronometer.