MediCode is a free health care professional's app that provides easy access to all International Liaison Committee on Resuscitation (ILCOR) algorithms from the palm of your hand. This app is designed to help physicians, paramedics, nurses, medical students, and Emergency Medical Technicians (EMT) save lives in emergency care situations. It includes algorithms and practice tests for Basic Life Support (BLS), Advanced Cardiac Life Support (ACLS), Pediatric Advanced Life Support (PALS), Neonatal Resuscitation (NRP), and CPR. The app also features multiple-choice practice tests that adhere to the latest guidelines and are derived from provider handbooks. MediCode is well organized, polished, and easy to use. It is a valuable tool that can make all the difference in times of emergency.