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.