When a patient seeks a health service, he wants his needs met. Unfortunately, due to the complexity of the system and the fallible human nature, incidents happen. Adverse events are those incidents that cause some kind of harm to the patient. Many lives are lost every day to preventable adverse events. The Notifica App creates a communication channel between patients, their caregivers, health professionals and the Manager of a Health Unit for sending messages about observed incidents. You can report fast, easily and anonymously via your smartphone, wherever you are in the World. The application guides the user through a few steps until the process is complete, friendly, even for ordinary people. The user is able to describe what happened in your own words. Using this information, Managers will be able to design a safer health system for YOU, patient, your parents and friends, or any other unknown person. Everyone can benefit from Notifica App. It is free to download and use for users. He initially was produced in Portuguese and English and there are plans to include other languages, as soon as possible.