<qa>  What are the benefits of mobile applications?Discussion: Health mobile applications mobile health, mHealth are potential tools to address the needs of cancer patients, because it enabling personalized interventions and the adherence to them. Previous studies have showed: 1 Are effective for weight loss in people with obesity or overweight. 2 You can count on are to promote a healthy lifestyle focused on the loss of weight in cancer patients. 3 Strategies based on self-regulation will not only improve the regulation of the exercise by the patient, but they also produce a greater adherence to the same. However, despite all these advances, are few them studies that have analyzed the efficiency of mobile applications as tool appropriate for foster the acquisition of habits of life healthy in cancer patients. Therefore are necessary studies that improve the adequacy of interventions to the needs of patients with CRC with support from technologies that show its effectiveness. 