App Intel

Onseol: Countdown Widget Live

algoguy12 apps · 484 installsLifestyleFreeIn-app purchases: $9.99 per itemcom.erekstudio.dday

Countdown & D-day widget: days until, days since, anniversaries & lunar dates.

Total installs
80
exact · Play shows 50+
Installs / day
~1
est. · lifetime avg over 75 days
Rating
—★
— ratings · — reviews
Released
28 Jul 2026
2mo ago
Last update
9 Oct 2026
v1.4.0 · 2d ago
Countries
—
not checked yet

Install history

exact counter from Google Play
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Installs per day · last 90 days

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Change timeline

No changes recorded yet. We compare every crawl with the previous one and list title, icon, screenshots, description, version, price and availability changes here.

Country availability

Availability has not been checked for this app yet. “Check all countries” looks the app up in about 140 Google Play storefronts and shows where it is live, listed but not installable, or missing — plus any country-specific (custom) store listings.

Top countries

Country data will be available soon.

We estimate where downloads come from using the app’s position in Google Play’s top charts in about 140 countries. This app is not in any chart we have collected yet; the estimate appears as soon as it is.

Top chart positions

Not in any tracked top chart.

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Permissions

6 in 1 group
0 Sensitive2 Notable4 Routine
OtherNotable6

Access to miscellaneous device features that don't fit other categories

  • Start itself automatically as soon as your phone finishes turning onrun at startup · RECEIVE_BOOT_COMPLETED
  • Keep your phone's processor or screen from going to sleep, which can use more batteryprevent device from sleeping · WAKE_LOCK
  • Check whether you are online and whether you use Wi-Fi or mobile dataview network connections · ACCESS_NETWORK_STATE
  • Connect to the internet to load content and send datafull network access · INTERNET
  • Make your phone vibratecontrol vibration · VIBRATE
  • Check with Google Play that you got this app legitimatelyGoogle Play license check · com.android.vending.CHECK_LICENSE

Sensitive = can reach personal data, location, camera/mic or act on your behalf. Notable = changes how your device behaves. Routine = normal for almost every app. Source: Google Play's permission list for all versions of this app.

Store listing

Full description
Onseol is a countdown app and D-Day counter for the dates that matter — exams, weddings, birthdays, anniversaries, trips, due dates, deadlines. Add a date, choose how it should be counted, and put it on your home screen as a widget. No account. No sign-up. No ads. Onseol uploads nothing: every D-Day lives on your phone. Three ways to count • Count down — days until a date. The day itself reads D-DAY, Korean style: D-30, D-7, D-1, D-DAY. • Days since — a day counter from a start date. The first day is day 1, so day 100 really is the 100th day. • Every year — repeats yearly. Birthdays, wedding anniversaries and memorials, with the year count shown: 3 years, 10 years, 25 years. Home screen widget Put any D-Day on your home screen. A widget can follow your pinned D-Days — one large number, or a list of three or five — or show the one you choose. It updates itself around midnight, so the number is right when you wake up. Light and dark themes follow your phone. Lunar calendar (음력) Pick the solar date once and Onseol finds the solar date of that lunar day every year after that — no converting dates by hand each January. Lunar birthdays, lunar memorials and traditional anniversaries move with the calendar on their own. Milestones, counted for you Every 100 days up to 1,000, then 2,000, 3,000, 5,000 and 10,000. Onseol shows which one is coming next, reminds you on the morning it arrives, and puts a small card in the app on the day: the 100-day milestone couples celebrate, the 1,000th day, all the ones you would otherwise miss. Reminders Notifications at D-7, D-1 and on the day itself, in the morning. Set per D-Day and scheduled entirely on your phone. Share and back up Share a D-Day as a card, with a link that opens the same D-Day in a friend's Onseol, ready to add. Back up your D-Days and their photos to a single file you keep — on your phone, in Google Drive, or in a message to yourself — and restore them on a new phone. Onseol Pro One purchase, forever — not a subscription: • Unlimited D-Days and all 16 colors • Your photo on any D-Day — on its card and on the widget • Three more widget designs: Ring, Photo and Minimal • Count it your way — in years, months and days, in weeks, or in hours • Every milestone with its date, from day 100 to day 10,000 • Ink and Photo share cards Free: five D-Days, the classic widget, reminders, lunar dates, milestone cards, the Paper share card and backup. Privacy by default There is no server behind Onseol. No account to create, no email to hand over, no profile built from your life. Onseol keeps no copy of your dates anywhere; a backup or an invite link goes only where you send it. For exams, weddings, birthdays, a baby's due date, a trip, a military discharge, a memorial, a sobriety streak or the first day at a new job. Onseol is a small, quiet app that counts days, and counts them properly.

What's new

The ads are gone — all of them. Share a D-Day as a card, with a link that opens it in a friend's Onseol, ready to add. A small card in the app on milestone days. Back up to a file you keep. Each widget can now show the D-Day you choose. New in Pro: your photo on any D-Day, three more widget designs, counting in years, months and days, in weeks or in hours, and every milestone with its date. Pro is still one purchase, not a subscription.

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