Calendar of Work Shifts is a free Android application developed by AndrewCIK that is specifically designed to assist those who work on shifts. The app provides an intuitive interface that allows users to plan their vacation for the next month or even a year.

The program is easy to navigate, and users can input their shift schedules in just a few clicks. The interface is user-friendly, and the app provides a clear view of the schedule, making it easy for users to plan their work-life balance. However, it is important to note that the app requires correct time and date settings on the user's Android device to work accurately.

Overall, Calendar of Work Shifts is a reliable tool for shift workers who need to plan their schedules in advance. The app is free to download and provides a convenient way to manage work shifts, making it a useful addition to any shift worker's toolbox.