Comparison

D 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

D

Features
Read full description

Count down to your big day β€” or count up from a milestone. D-Day Anniversary Tracker lets you manage all your important dates in one place. Whether it's a wedding anniversary, birthday, exam date, or any special moment, see exactly how many days remain or how many have passed. WHY USERS LOVE IT - Both D-Day (countdown) and D+Day (count-up) in one app - Annual repeating anniversaries auto-renew each year - Milestone alerts for 100, 200, and 365 days - Reminders: 7 days before, 3 days before, day before, and day-of - 40 emoji icons + 5 color themes to personalize each date - Display in days, weeks, or months - Pin favorites and reorder with drag & drop - Full dark mode support PERFECT FOR - Never missing an anniversary or birthday again - Counting down to exam dates, discharge dates, or big events - Celebrating milestones like 100 days or 1 year together

About

D

Read full description

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

D3 screens
D4 screens

Verdict

The call

The clearest difference is iOS requirement: D at 13.0 against D's 15.0. On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 days. The most recent releases landed on September 9, 2026 and September 21, 2026 respectively.

Scorecard1 real difference Β· 5 level
D versus D: the parameters behind the verdict, then further details
ParameterDD
PriceFreeFree
Update frequencyEvery 3 daysEvery 3 days
AdsYesYes
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 β€” better15.0
Further details β€” not scored
Size30 MB52 MB
Age rating4+4+
DeveloperHeungYeol KimCodeSand Co. Ltd.

In-app purchases

None

D

No in-app purchases

None

D

No in-app purchases

Questions

Is D free?
D is free to download, with no in-app purchases.
Is D free?
D is free to download, with no in-app purchases.
Do D or D have ads?
Both D and D show ads.
Which is updated more often, D or D?
D ships an update every 3 days, and D every 3 days. Most recently, D was updated on September 9, 2026 and D on September 21, 2026.

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