D vs D
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
D
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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
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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly every 3 days. The most recent releases landed on September 9, 2026 and September 21, 2026 respectively.
| Parameter | D | D |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 days | Every 3 days |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 β better | 15.0 |
| Further details β not scored | ||
| Size | 30 MB | 52 MB |
| Age rating | 4+ | 4+ |
| Developer | HeungYeol Kim | CodeSand Co. Ltd. |
In-app purchases
D
No in-app purchases
D
No in-app purchases









