D-day Counter - Countdowns

Never miss a day that matters. D-day Counter keeps every countdown in your life — exams, anniversaries, birthdays, deadlines — organized in one clean app.

■ Made for you if…
• You're a student counting down to a final exam, certification test, or interview
• You want to celebrate your 100th or 1000th day together as a couple
• You never want to forget a family member's or friend's birthday
• You're tracking a project deadline, trip departure, or any big day ahead

■ Key features

1. Unlimited D-days
Create as many countdowns as you want — no limits. Add an emoji and a memo to make each one yours. Count down to upcoming days (D-35) or count up from past events (D+82).

2. Categories that keep things tidy
Sort your D-days into Exam, Anniversary, Birthday, Military, and more. See everything grouped at a glance.

3. Yearly repeating events
Birthdays and anniversaries roll over automatically every year. Set it once and it always shows the next occurrence.

4. Home screen widget
Check your nearest D-day right from your home screen — no need to open the app.

5. Calendar view
See all your D-days laid out on a monthly calendar. Instantly know what's coming up this month.

6. Statistics
A stats screen summarizes your countdowns — category breakdown, upcoming events, and past records.

7. Progress ring
Set a start date and watch the progress ring fill up as you approach your goal. Perfect motivation for exam prep and long-term goals.

■ Light and private
• No sign-up — start using it the moment you install
• All data stays on your device (nothing is sent to a server)
• Works fully offline
• Beautiful dark theme, English & Korean supported

From exam countdowns to couple anniversaries and birthday reminders — start counting the days that matter with D-day Counter.