디데이 (D-Day)

D-Day is a simple yet powerful app that automatically calculates the D-Day for anniversaries, goal dates, and special occasions.

■ Key Features

▸ Automatic D-Day Calculation

Future dates are automatically displayed as D-23, the current day as D-Day, and past dates as D+500.

▸ Accurate Push Notifications

Receive notifications at your desired date and time, ranging from the current day up to 180 days prior.

You can set up to 10 notifications per D-Day.

Notifications turn on automatically upon new registration, ensuring you don't miss important dates.

▸ Lunar Calendar Support

Displays both Solar and Lunar dates simultaneously.

Lunar anniversaries (Lunar New Year, Chuseok, birthdays, etc.) are automatically converted to the Solar calendar.

▸ Easy Re-registration

Quickly re-register past anniversaries for 1 week, 1 month, or 1 to 3 years in advance.

You can also set the date manually.

Re-registration is possible immediately on the actual D-Day.

▸ Personalize with Emojis

Decorate each D-Day with 64 different emojis. You can create aesthetically pleasing D-Day lists that are easily distinguishable at a glance.

▸ Sort Function

Sort by nearest or newest to quickly find the D-Days you want.

■ Recommended for:

- Those who frequently forget birthdays or anniversaries

- Those who want to manage target dates such as exams, interviews, or trips

- Those who do not want to miss lunar anniversaries (parents' birthdays, etc.)

- Those looking for a simple, ad-free D-Day app

■ App Features

- Completely free, no ads

- Works offline (no internet required)

- Lightweight and fast execution

- Purple aesthetic design