The Hospital da Criança - São Luís satisfaction application brings a unique approach to evaluating the quality of services provided. Inspired by the Big Brother Brasil queridometer, the application allows patients and their families to express their opinion in a fun and intuitive way. Using emojis and a satisfaction scale, users can evaluate various aspects of service, from the friendliness of the staff to the quality of the facilities. These assessments are essential for the hospital, providing instant feedback and helping to drive continuous improvements to ensure the well-being of children and their families.