Lack of iron is the most common nutritional deficiency and the leading cause of anaemia worldwide, according to the WHO. In this work, a mobile application is presented where the doctor, according to the patient's hemoglobin, age, sex and condition, automatically assigns in the application a light or rigorous diet to follow daily until the next control, reflecting in the application's calendar the foods to be consumed by the patient, the patient will indicate his daily consumption and the application will show in a playful way the compliance in his calendar, the application will automatically detect the calories he has been consuming; in turn, the doctor will be able to visualize his nutritional history. The study was conducted in a clinic in the city of Lima with 150 patients with anemia, showing positive results in 93.1% and with a high degree of acceptance of the usability of the application.