# D vs Memo Paper

The clearest difference is update cadence: Memo Paper at every 4 days against D's every 2 months. D's advantage is monetization model (ad-supported vs free with in-app purchases) and device support (3 vs 1). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

D ships an update every 2 months, Memo Paper every 4 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | D | Memo Paper |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 28 MB | 8 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [SiU Ahn](https://appshunter.io/developer/1601025745) | [Chan Uk Park](https://appshunter.io/developer/6785369233) |

## What reviewers say

### D

[App page](https://appshunter.io/ios/app/d-day-counter-countdowns/id6787755137)

Organize all your important dates, from exams and anniversaries to birthdays and deadlines. Track upcoming events with customizable countdowns and view them on your home screen or calendar. Stay motivated with progress tracking and enjoy a private, offline experience.

**Highlights:** Unlimited D-day creation, Customizable categories, Yearly repeating event support, Home screen widgets, Calendar view, Statistics and progress rings, Offline and private usage

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Memo Paper

[App page](https://appshunter.io/ios/app/memo-paper/id6787817478)

A minimalist note-taking app that functions like a single sheet of paper, allowing quick entries and seamless continuation of to-do lists. It focuses on organizing completed tasks and carrying over unfinished ones to the next note, simplifying task management without complex folders or accounts.

**Highlights:** Quick checklist creation, Sort completed items, Pin recurring content for auto-input, Carry over unfinished items to next note, Alarm reminders for important tasks, Home screen widget for current notes

**In-app purchases:** none


## Frequently asked questions

### Is D free?

D is free to download, with no in-app purchases.

### Is Memo Paper free?

Memo Paper is free to download, with no in-app purchases.

### Do D or Memo Paper have ads?

Both D and Memo Paper show ads.

### Which is updated more often, D or Memo Paper?

D ships an update every 2 months, and Memo Paper every 4 days. Most recently, D was updated on October 24, 2026 and Memo Paper on October 25, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*