# 読書メモアプリ「本メモ」 vs Uchiaru?

The clearest difference is ads: 読書メモアプリ「本メモ」 at none against Uchiaru?'s shown. Uchiaru?'s advantage is update cadence (every 3 days vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

読書メモアプリ「本メモ」 ships an update every 2 months, Uchiaru? every 3 days. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 読書メモアプリ「本メモ」 | Uchiaru? |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 3 days** |
| Size | 10 MB | 55 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [minoru edo](https://appshunter.io/developer/1568651462) | [Hirokazu Nakamura](https://appshunter.io/developer/1896769319) |

## What reviewers say

### 読書メモアプリ「本メモ」

[App page](https://appshunter.io/ios/app/id1568651460)

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

**In-app purchases:** none


### Uchiaru?

[App page](https://appshunter.io/ios/app/uchiaru/id6771027678)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 読書メモアプリ「本メモ」 free?

読書メモアプリ「本メモ」 is free to download, with no in-app purchases.

### Is Uchiaru? free?

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

### Do 読書メモアプリ「本メモ」 or Uchiaru? have ads?

Uchiaru? shows ads; 読書メモアプリ「本メモ」 does not.

### Which is updated more often, 読書メモアプリ「本メモ」 or Uchiaru??

読書メモアプリ「本メモ」 ships an update every 2 months, and Uchiaru? every 3 days. Most recently, 読書メモアプリ「本メモ」 was updated on November 4, 2026 and Uchiaru? on October 31, 2026.

---

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