D-day Counter - Countdowns
D-day Counter - Countdowns is made and published by SiU Ahn. AppBrain is an independent app data site and isn't affiliated with SiU Ahn. The app name, icon, screenshots and description belong to SiU Ahn and are shown as published on the App Store.
AppBrain's verdict
- Last updated
- October 14, 2026
Rankings
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Releases
Updates seen on the App Store- Version
- 1.2.0
- Launched
- July 2026
No changelog data
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Technology
Found in the app by AppBrain- Price
- Free
- App size
- 28.5 MB
- Content rating
- Everyone
Technologies used by D-day Counter - Countdowns
About the app and developer
About D-day Counter - Countdowns
D-day Counter - Countdowns is a productivity app developed by SiU Ahn.
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The app has no ratings yet.
App Information
D-day Counter - Countdowns is freely available from the App Store. The app size is 28.45 MB. The latest version available is 1.2.0. The last update was on October 14, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on the App Store since July 2026.
Developer information for SiU Ahn
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Frequently asked questions about D-day Counter - Countdowns
Is D-day Counter - Countdowns free?
Yes. D-day Counter - Countdowns is free on the App Store.
Is D-day Counter - Countdowns still available?
Yes. D-day Counter - Countdowns is on the App Store, and the last update we saw was on October 14, 2026.
How large is D-day Counter - Countdowns?
D-day Counter - Countdowns is 28.45 MB.
Is D-day Counter - Countdowns suitable for children?
App Store rates the content of D-day Counter - Countdowns as suitable for everyone.
Who made D-day Counter - Countdowns?
D-day Counter - Countdowns was developed by SiU Ahn. It is listed in the productivity category on the App Store.
What are the best alternatives to D-day Counter - Countdowns?
People looking at D-day Counter - Countdowns also look at these productivity apps: Hue Plan, Easy Todo - Task Checklist, 코그 가계부, Solemnace, Tikkle: Tiny Focus, Big Growth.
Store listing
By SiU Ahn, from the App Store
Description by SiU Ahn Written by the developer, not by AppBrain. Click to read.
■ 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 — even one kept on the lunar calendar
• 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. Pick an emoji and add a memo to make each one yours. Count down to upcoming days (D-35) or count up from past events (D+82).
2. Reminders
Get notified on the day, or 1, 2, 3, 7 or 30 days before — at the time you choose.
3. Home screen widgets
Check your D-days right from your home screen. Pick which D-day each widget shows; with a start date it shows a progress bar too.
4. Yearly repeating events
Birthdays and anniversaries roll over automatically every year. Set it once and it always shows the next occurrence.
5. Lunar calendar dates
Enter a date on the Korean lunar calendar and it repeats on that lunar date every year, with the solar date worked out for you. Leap months included.
6. Statistics
Year progress, what's coming up, your next 100th or 1000th day, goals in progress and a by-month chart — all on one screen.
7. Calendar view
See all your D-days laid out on a monthly calendar. Instantly know what's coming up this month.
8. Categories
Exam, Anniversary, Birthday, Military and Other — rename them, change their icon and color, or create your own.
9. Progress ring
Set a start date and watch the progress ring fill up as you approach your goal.
10. Backup & restore
Export your D-days to a file and bring them back on a new phone.
■ 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
• Dark and light themes, English & Korean supported
From exam countdowns to couple anniversaries and birthday reminders — start counting the days that matter with D-day Counter.