날짜 계산 모음 is a feature-rich date calculator app developed by FingerTory. With this app, you can make your life smarter by easily performing various date calculations on your Android device.

The app offers several key features to help you with date-related calculations. You can calculate the difference between two dates, find out the number of days until a specific date, or calculate your age in various ways, including your Korean age, the number of days you've been alive, and your zodiac sign. The app also provides a list of birthstones, birth flowers, birth trees, and birth numbers for each year.

In addition to these features, the app allows you to calculate anniversaries, both on the lunar calendar and with customizable intervals such as 30, 60, and 100 days. It also provides a calendar with national holidays, traditional Korean holidays, and various other events. The app supports both the Gregorian and lunar calendars, including leap years.

Other useful features include an ovulation calculator, a pregnancy period calculator, and the ability to share result images. The app also supports landscape mode, making it suitable for tablet devices.

Overall, 날짜 계산 모음 is a comprehensive date calculator app that offers a wide range of features to help you with various date-related calculations on your Android device.