# 山手学院Box vs 英検®英作文 AI添削 Yoshi

The clearest difference is in-app purchases: 山手学院Box at none against 英検®英作文 AI添削 Yoshi's 1. 山手学院Box also leads on iOS requirement (13.0 vs 16.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 英検®英作文 AI添削 Yoshi sells 1 in-app purchase, starting at $7.99 per month. 山手学院Box asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 4 months. Both last shipped on September 8, 2026.

## The numbers

| Metric | 山手学院Box | 英検®英作文 AI添削 Yoshi |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | Every 4 months |
| Size | 6 MB | 4 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [YAMATE GAKUIN, K.K.](https://appshunter.io/developer/1569536025) | [Yoshitaka Matsumoto](https://appshunter.io/developer/1799729892) |

## What reviewers say

### 山手学院Box

[App page](https://appshunter.io/ios/app/box/id1603370495)

**Features:** macOS Compatibility

**In-app purchases:** none


### 英検®英作文 AI添削 Yoshi

[App page](https://appshunter.io/ios/app/ai-yoshi/id6742748653)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアムサービス | $7.99 | per month |


## Frequently asked questions

### Is 山手学院Box free?

山手学院Box is free to download, with no in-app purchases.

### Is 英検®英作文 AI添削 Yoshi free?

英検®英作文 AI添削 Yoshi is free to download, with in-app purchases available.

### Do 山手学院Box or 英検®英作文 AI添削 Yoshi have ads?

Neither 山手学院Box nor 英検®英作文 AI添削 Yoshi shows ads.

### Which is updated more often, 山手学院Box or 英検®英作文 AI添削 Yoshi?

山手学院Box ships an update every 4 months, and 英検®英作文 AI添削 Yoshi every 4 months. Most recently, 山手学院Box was updated on September 8, 2026 and 英検®英作文 AI添削 Yoshi on September 8, 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.*