AnginaControl is a smartphone application for patients suffering from angina. Angina usually is a symptom of coronary heart disease (CHD). Angina is a pain or discomfort in the chest. It often has a squeezing or pressure-like feel. This discomfort can also be felt in the shoulders, arms, neck, jaws, or back. Anginal pain usually lasts for no more than 2-10 minutes.