Guardians is an iPhone application designed to help medical residents manage their on-call schedules and make the most of their time. With this app, users can easily view their upcoming on-call days and plan their personal events accordingly, whether it's attending parties, meetings, or spending quality time with family.

One of the standout features of Guardians is its ability to notify users if they have to work on special occasions like birthdays. This allows residents to plan ahead and ensure they can celebrate their special day with friends and family.

In addition, the app also helps users plan their vacations by providing a day-by-day countdown to their time off. This ensures that residents are well-prepared and avoid any last-minute surprises before their much-needed break.

Another useful feature of Guardians is the ability to add and view friends' on-call schedules. This enables residents to coordinate plans with their colleagues and easily communicate with each other when needed.

Developed in collaboration with resident medical specialists, Guardians is tailored to meet the real needs of medical residents. It understands the value of their limited time and aims to help them manage it efficiently and plan ahead.

Overall, Guardians is a valuable tool for medical residents looking to optimize their on-call schedules and make the most of their personal time.