연차계산기 is a free Android application developed by DSSOFT. It falls under the category of Utilities & Tools and provides a convenient way to calculate annual leave days.

With this app, users can accurately calculate their leave days based on the starting date of their annual leave. It should be noted that since this is a simulation calculator, there may be some margin of error. Therefore, it is recommended to use this app for reference purposes only.

One of the key features of 연차계산기 is the ability to register employees. This feature allows users to input their personal information and keep track of their leave days more effectively.

Overall, 연차계산기 is a handy tool for individuals who want to easily calculate their annual leave days. It provides a simple and user-friendly interface, making it accessible to a wide range of users.