Comparison

Countdown vs D

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

Countdown

Features
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Countdown with Widgets β€” Track Every Day That Matters. HOME SCREEN WIDGETS Place countdown timers right on your home screen. Check remaining days at a glance β€” no need to open the app. LOCK SCREEN WIDGETS See your countdown the moment you pick up your phone. Your most important dates, always front and center. GITHUB-STYLE GRID WIDGET A unique grid widget inspired by GitHub's contribution graph visualizes your countdown in a stunning dot-matrix style. Beautiful. Minimal. Yours. iCLOUD SYNC & BACKUP All events automatically synced and backed up. Switch between iPhone, iPad, and Mac seamlessly β€” your data is always safe. FEATURES β€’ Unlimited D-Day events β€’ Home screen & Lock screen widgets β€’ Multiple widget sizes (small, medium, large) β€’ GitHub-style grid widget β€’ iCloud sync across all Apple devices β€’ Customizable colors & icons β€’ Clean, minimal design Birthdays, anniversaries, exams, trips, weddings β€” never miss what matters most. Terms of Service: https://offstudio.notion.site/Terms-of-Use-OFFSTUDIO-1b95f84ba94780569654ee08852cec9e Privacy Policy: https://offstudio.notion.site/Privacy-Policy-OFFSTUDIO-1b95f84ba94780a387fad4e59d9bb139

About

D

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D-Day Keep β€” a beautiful countdown widget for every day that matters. Anniversaries, birthdays, exams, trips β€” keep every important date at your fingertips. # Key features β€’ D-Day countdown β€” register any date, past or future. Days are calculated automatically every day. β€’ Home screen widget β€” see your D-Days at a glance, no need to open the app. β€’ Photo backgrounds β€” place a memory on your D-Day card. β€’ 8 themes β€” Coral, Ocean, Forest, Sunset, Gold, Midnight, Blossom, Ivory. β€’ Milestone alerts β€” D-100, 1-year, the day itself, and more. β€’ Cloud backup (optional) β€” sign in to keep your D-Days across devices. β€’ 13 languages β€” Korean, English, Japanese, Chinese, Spanish, Portuguese, Indonesian, Vietnamese, Arabic, Russian, French, German, Italian. β€’ Minimal ads β€” light and unobtrusive. # Perfect for β€’ Couples tracking 100-day & anniversary milestones β€’ Family birthdays and wedding anniversaries β€’ Exam prep β€” college entrance, certification, professional tests β€’ Trips, concerts, military discharge, big events β€’ Diet, quit-smoking, workout β€” track when you started β€’ Keeping memories of someone special, with a photo # Why D-Day Keep? β€’ Start instantly β€” no sign-up required β€’ Sign in is optional β€” Google, Apple, or Kakao for cloud backup β€’ Beautiful cards with photos & themes β€” every day feels like a memory β€’ Home widget β€” your D-Days stay visible every day β€’ Localized for 13 languages β€” naturally, not auto-translated # Privacy-first If you don't sign in, your D-Days never leave your phone. Cloud backup only applies after sign-in, and you can delete your account at any time to permanently erase all data. β€’ Privacy policy: https://codesand.co.kr/app/dkeep/privacy β€’ Terms of service: https://codesand.co.kr/app/dkeep/terms β€’ Support: support@codesand.co.kr

Screenshots

Countdown4 screens
D4 screens

Verdict

The call

The clearest difference is in-app purchases: D at none against Countdown's 2. D also leads on update cadence (every 3 days vs every 4 weeks) and iOS requirement (15.0 vs 18.6). On price, ads and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Countdown sells 2 in-app purchases, starting at $0.99 per year. D asks for nothing beyond the download.

UpkeepUpdate frequency

Countdown ships an update every 4 weeks, D every 3 days. The most recent releases landed on September 11, 2026 and September 21, 2026 respectively.

Scorecard3 real differences Β· 3 level
Countdown versus D: the parameters behind the verdict, then further details
ParameterCountdownD
PriceFreeFree
Update frequencyEvery 4 weeksEvery 3 days β€” better
AdsYesYes
In-app purchasesYesNo β€” better
DevicesiPhone, iPadiPhone, iPad, iPod β€” better
Requires iOS18.615.0 β€” better
Further details β€” not scored
Size20 MB52 MB
Age rating4+4+
DeveloperOFFSTUDIOCodeSand Co. Ltd.

In-app purchases

2 purchases

Countdown

Subscriptions1
  • Premium Yearly$0.991 Year
One-time1
  • Premium Lifetime$1.99
None

D

No in-app purchases

Questions

Is Countdown free?
Countdown is free to download, with in-app purchases available.
Is D free?
D is free to download, with no in-app purchases.
Do Countdown or D have ads?
Both Countdown and D show ads.
Which is updated more often, Countdown or D?
Countdown ships an update every 4 weeks, and D every 3 days. Most recently, Countdown was updated on September 11, 2026 and D on September 21, 2026.

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