# D-Day Memo

> Intuitive memo app with D-day and important note management, secured by password. (iPhone/iPad app by Jeong-Hoon Mo.)

- Source: https://appshunter.io/ios/app/d-day-memo/id494758541 (this page in markdown: same URL + `.md`)
- Developer: [Jeong-Hoon Mo](https://appshunter.io/developer/494758544)
- Category: Business, Productivity
- Price: Free
- Rating: 4.80/5 from 4 App Store ratings · 7 written reviews indexed
- Age rating: 4+
- Requires: iOS 13.0 · 51 MB
- Languages: American English, Korean
- Released: 2012-01-25
- Data updated: 2026-08-21
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/d-day-memo/id494758541/reviews.md

## What is D?

Innovative concept memo app!
- Intuitive and convenient memo control..
- Better recognizable D-day & Important memo control..
- Security management by private password..

## Key features

- Intuitive memo control
- D-day and important memo management
- Private password security
- Convenient note organization

## Recent user reviews (7 of 7)

All indexed reviews: https://appshunter.io/ios/app/d-day-memo/id494758541/reviews.md

### 5/5 — so coooooooooool..

*2026-06-02*

Cooooooooooool.. I use the iPhone app and so was satisfactory. IPad version also works well in a stable. Still love it

### 5/5 — useful and effective

*2026-05-28*

such a cute and organized app. I like to keep my notes and D-days on it; its very useful!

### 4/5 — 업데이트

*2018-04-09*

가장 좋아한 앱이고 제 인생 처음 유료앱 구매였는데 지원이 끊긴거같아 아쉽네요ㅠㅠ 튕기고 화면잘리는데 최적화 업데이트 부탁드려봅니다ㅠㅠ

### 5/5 — so coooooooooool..

*2013-06-21*

Cooooooooooool..
I use the iPhone app and so was satisfactory. IPad version also works well in a stable.

### 5/5 — 짱좋아요!

*2012-02-04*

메모 어플, 디데이 어플이 너무 복잡했는데 깔끔한 어플을 만나게되었다. 꽤 쓸모있는 어플이 될것 같은 예감이다. 다양한 옵션별 보기와 디데이 알림은 쵝오!!!

### 5/5 — Good App!!

*2012-01-27*

이 어플 너무 실용적인듯! 굿~~!

### 5/5 — Cool and Simple

*2012-01-26*

Cool and Simple. Will be my favorite todo-util.

## Frequently asked questions about D

### What is D-Day Memo used for?

D-Day Memo is used for organizing notes and managing important dates, such as D-days. It provides intuitive control over your memos and ensures better recognition of crucial entries.

### How does D-Day Memo protect my data?

D-Day Memo offers security management through a private password. This feature helps keep your notes and important information confidential.

### Is D-Day Memo available on multiple platforms?

The provided data does not specify platform compatibility beyond its general availability as a mobile application. Users should check their respective app stores for device compatibility.

### How often is D-Day Memo updated?

The latest version of D-Day Memo was last updated on May 27, 2026. This indicates a recent update, suggesting ongoing development and maintenance.

### What is the user rating for D-Day Memo?

D-Day Memo has a rating of 4.0 stars based on 1 rating. This indicates a generally positive reception from its current user base.

### What is the age rating for D-Day Memo?

D-Day Memo has an age rating of 4+. This means it is suitable for users aged 4 and above.

### Does D-Day Memo have ads?

The provided data does not specify whether D-Day Memo contains advertisements. Users may encounter ads if the 'hasAds' flag is not explicitly set to false.

### What are the key features of D-Day Memo?

Key features include intuitive and convenient memo control, better recognition for D-day and important memos, and security management via a private password.

## Version history (last 5 releases)

### 1.9.14 — 2026-08-18

Bug fixes and stabilization

### 1.9.12 — 2026-08-07

- Face ID support for unlocking the app
- Widget feature has been added.
- Performance improvements, stability enhancements, and bug fixes.

### 1.9.11 — 2026-08-06

Improved app performance and stability.

### 1.9.10 — 2026-07-27

Fixed stability issues and minor bugs.

### 1.9.9 — 2026-07-13

Stabilization and minor bug fixes

## More apps by Jeong-Hoon Mo

- [FlapBuddy](https://appshunter.io/ios/app/flapbuddy/id867666983)
- [Fun2048](https://appshunter.io/ios/app/fun2048/id876957848)
- [Back2048](https://appshunter.io/ios/app/back2048/id883150277)
- [FlapStickHero](https://appshunter.io/ios/app/flapstickhero/id6766411091)
- [Nice Scan](https://appshunter.io/ios/app/nice-scan/id6789853640)

All apps by Jeong-Hoon Mo: https://appshunter.io/developer/494758544

## Related topics

[date memos](https://appshunter.io/ios/topics/date-memos) · [abox memo](https://appshunter.io/ios/topics/abox-memo)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-21.*