# 英検®英作文 AI添削 Yoshi vs スマガク

The clearest difference is in-app purchases: スマガク at none against 英検®英作文 AI添削 Yoshi's 1. スマガク also leads on update cadence (daily vs every 4 months). 英検®英作文 AI添削 Yoshi's advantage is ads (none vs shown). On price, device support and iOS requirement 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. スマガク asks for nothing beyond the download.

英検®英作文 AI添削 Yoshi ships an update every 4 months, スマガク daily. Both last shipped on October 30, 2026.

## The numbers

| Metric | 英検®英作文 AI添削 Yoshi | スマガク |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Daily** |
| Size | 4 MB | 72 MB |
| Requires iOS | 16.6 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Yoshitaka Matsumoto](https://appshunter.io/developer/1799729892) | [masataka fukuhara](https://appshunter.io/developer/1654653604) |

## What reviewers say

### 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 |


### スマガク

[App page](https://appshunter.io/ios/app/ai/id6754600181)

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

**In-app purchases:** none


## Frequently asked questions

### 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.

### Is スマガク free?

スマガク is free to download, with no in-app purchases.

### Do 英検®英作文 AI添削 Yoshi or スマガク have ads?

スマガク shows ads; 英検®英作文 AI添削 Yoshi does not.

### Which is updated more often, 英検®英作文 AI添削 Yoshi or スマガク?

英検®英作文 AI添削 Yoshi ships an update every 4 months, and スマガク daily. Most recently, 英検®英作文 AI添削 Yoshi was updated on October 30, 2026 and スマガク on October 30, 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.*