A nutrition tutoring app is a mobile application that provides personalized nutrition coaching and education to help users improve their health and achieve their wellness goals. The app typically offers a range of features, such as meal planning, grocery lists, and recipe suggestions, as well as tools to track food intake and physical activity. The app may also provide users with access to registered dietitians or nutritionists who can provide one-on-one coaching and support, as well as customized nutrition plans based on the user's needs and preferences.