D-Day Countdown: Days Until

D-Day is a simple countdown app and day counter. Count down the days until birthdays, exams, trips and holidays — and count up the days since you met, quit smoking or welcomed your baby. See every countdown on your home screen with widgets, and in your notification bar.

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📌 COUNT ANYTHING

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• 🎂 Birthday countdown and anniversaries that repeat every year

• 💍 Wedding countdown, ✈️ vacation and trip countdown

• 📚 Exam countdown, 🎄 Christmas and holiday countdown

• 💑 Relationship counter: days since you started dating, from Day 1

• 👶 Baby's age in months

• 🚭 Days since you quit smoking or started a new habit

• 💰 Payday every month, workouts or meetings every week

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✨ FEATURES

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🗓 7 ways to count

- D-Day: days until (D-1, D-2 …)

- Day count: days since, starting from Day 1

- Month count: perfect for baby's age

- Years / months / days view

- Yearly, monthly and weekly repeats

🏠 3 home screen widgets

- 2x1, 4x1 and a 4x2 list widget

- Change background, title and count colors with a live preview

- Color picker with transparency, quick swatches and photo backgrounds

📲 Notification bar

- Pin a countdown to your notification bar so it is always visible, even in lock screen notifications

⏰ Reminders

- Get notified on the day, or 1, 2, 5, 7 or 10 days before

🎉 Milestones

- See upcoming milestones at a glance: 100 days, 200 days, 1 year, 2 years …

📅 Calendar view

- A monthly calendar with your events and public holidays (US or Korea)

🎨 App themes

- Four styles: Calm, Pastel, Midnight and Romantic

- Pick a color like Pink, Lavender, Mint or Rose gold, or match your wallpaper

🖼 Make it yours

- Photo backgrounds from your gallery or 17 built-in images, plus icons

- Light, dark or system display mode and downloadable fonts

- Adjustable list font sizes and styles

⚡ Quick start

- Tap a template (Birthday, Our anniversary, Our baby, Exam, New Year) to add it in one step

☁️ Backup & restore

- Save your D-Days and photos to a single file, keep it on Google Drive, and restore it on a new phone

🔍 Search and sort, tablet-friendly layouts

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💡 HOW IT WORKS

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1. Tap + to add a D-Day, then pick a date and a counting method.

2. Long-press your home screen and add a D-Day widget.

3. Turn on reminders or pin it to the notification bar.

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❓ FAQ

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Q. How do I count the days since we started dating?

A. Choose "Day count". Your first day counts as Day 1, and the detail screen lists upcoming milestones like 100 days and 1 year.

Q. Will I lose my countdowns when I switch phones?

A. Create a backup file in Settings > Backup & restore, save it to Google Drive or anywhere you like, and restore it on your new phone.

Q. My reminders are late or don't arrive.

A. Go to phone Settings > Apps > D-Day > Battery and choose "Unrestricted". You can also change it from the prompt that appears when you turn on a reminder.

Every feature is free (ad-supported).

Questions or ideas? Tap "Feedback" in the app menu. Your suggestions shape every update.