D vs EventDay
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
D
Easily track important dates and countdown to significant events. This app helps you remember anniversaries, birthdays, and other milestones by calculating the remaining days. Never forget a special occasion again with this simple countdown tool.
- Countdown to special dates
- Anniversary tracking
- Birthday reminders
- Event countdowns
- Simple interface
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D-Day Counter Do you want to remember your anniversary is 100 days? Was this a few days you met your boyfriend? How much is left of your birthday? How many days are left for your anniversary? Met your lover and D + 200 Olympic D-100 Remember a couple apps anniversary of D-Day. Try App D-Day application.
EventDay
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기억하기 어려운 이벤트들을 쉽고 간단하게 등록해보세요. - 생일, 스포츠 경기일정, 월급날, 휴가 등 특별한 이벤트를 알려줍니다. - 이름, 날짜, 일정이 포함된 이벤트를 각각 표시 - 아름다운 배경색 자동 설정 - 편집 화면에서 이벤트 이동 기능 - Today Widget Extension 및 Widget iOS 14에서도 이벤트 확인 이 모든 게 무료입니다. :)
Screenshots
Verdict
The clearest difference is update cadence: EventDay at every 3 days against D's every 3 months. EventDay also leads on iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
D ships an update every 3 months, EventDay every 3 days. The most recent releases landed on November 1, 2026 and October 25, 2026 respectively.
| Parameter | D | EventDay |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 60.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 months | Every 3 days — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 6 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | EONSOFT | SuWon Choi |
In-app purchases
D
No in-app purchases
EventDay
No in-app purchases









