Custom exercise programs for cancer survivors in treatment and beyond treatment. The Cancer Exercise app gives those new to fitness and hard-core exercisers tailored aerobic and resistance exercise to reduce fatigue, improve quality of life, strength, endurance and other side effects of cancer. This app is based on research and follows the American College of Sports Medicine's Exercise Guidelines for Cancer Survivors. Research has shown that the app can help users Get Energy and live a healthier life. The app is free, easy to use, and tailors exercise to age, level of physical condition, type and stage of cancer, type of treatment and level of fatigue. This is the first app developed exclusively for cancer survivors.