Colsanitas is a free Android app developed by Keralty that allows users of Colsanitas or Medisanitas to access and manage their prepaid medical services from anywhere. With this app, users can perform a variety of tasks, including paying bills, managing payment methods, scheduling, canceling, and rescheduling medical appointments, requesting authorization for medical services, and checking the status of each request. The app also provides access to the Medical Directory, where users can find the location of healthcare providers and rate their experience. Additionally, users can purchase vouchers, activate travel insurance, update personal information, and request duplicates of their medical card or retention certificates. Overall, Colsanitas is a handy app for those who want to manage their medical services on the go.