# 私辞書 vs メモリアルメモ

The clearest difference is in-app purchases: メモリアルメモ at none against 私辞書's 2. メモリアルメモ also leads on update cadence (daily vs every 10 days). 私辞書's advantage is ads (none vs shown) and device support (3 vs 1). On price and iOS requirement there is nothing between them.

Both are free to download. 私辞書 sells 2 in-app purchases, starting at $1.99 per month. メモリアルメモ asks for nothing beyond the download.

私辞書 ships an update every 10 days, メモリアルメモ daily. The most recent releases landed on October 17, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | 私辞書 | メモリアルメモ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 10 days | **Daily** |
| Size | 95 MB | 19 MB |
| Requires iOS | **15.5** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [AOI EMURA](https://appshunter.io/developer/1826834165) | [Tomoya Araki](https://appshunter.io/developer/1823834437) |

## What reviewers say

### 私辞書

[App page](https://appshunter.io/ios/app/id6748652770)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月額プラン | $1.99 | per month |
| 年額プラン | $22.99 | per year |


### メモリアルメモ

[App page](https://appshunter.io/ios/app/id6778318521)

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

**In-app purchases:** none


## Frequently asked questions

### Is 私辞書 free?

私辞書 is free to download, with in-app purchases available.

### Is メモリアルメモ free?

メモリアルメモ is free to download, with no in-app purchases.

### Do 私辞書 or メモリアルメモ have ads?

メモリアルメモ shows ads; 私辞書 does not.

### Which is updated more often, 私辞書 or メモリアルメモ?

私辞書 ships an update every 10 days, and メモリアルメモ daily. Most recently, 私辞書 was updated on October 17, 2026 and メモリアルメモ on October 20, 2026.

---

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