Simple Date Calculator is a lightweight and easy-to-use Android application developed by SebiBin. The program is designed to calculate the duration between two dates, counting the day count and the number of days, months, and years. It offers a simple interface that allows users to enter the start date and end date to find out how many days, months, and years are between them.

Alternatively, users can enter a start date and the number of years, months, weeks, and days they wish to add or subtract to find the target date. With this calculator, users can also find their age and the day of the week their birthday falls on.

Overall, Simple Date Calculator is a handy tool for anyone who needs to calculate the duration between two dates quickly and easily. It is available for free and can be downloaded from the Android app store.