D-Day 카운터 is a free Android app developed by GBAlright in the Lifestyle category. It is a handy tool to manage your special days, exams, birthdays, and other important events. The app provides you with a countdown timer that displays the remaining time in days, hours, minutes, and seconds.

The app's background image is set as your phone's wallpaper automatically. The app has three main features, the First screen, Schedule Creation, and My Schedule. The first screen is the default screen that appears when the program is launched. The Schedule Creation feature allows you to create a new schedule, and the My Schedule feature lets you modify or delete your existing schedule.

D-Day 카운터 is an easy-to-use app that helps you keep track of your important events and manage them efficiently.