# 四字熟語の王様 vs 慣用句 !

The clearest difference is in-app purchases: 慣用句 ! at none against 四字熟語の王様's 3. 慣用句 ! also leads on iOS requirement (13.0 vs 15.0). 四字熟語の王様's advantage is update cadence (every 5 weeks vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. 四字熟語の王様 sells 3 in-app purchases, starting at $2.99 per month. 慣用句 ! asks for nothing beyond the download.

四字熟語の王様 ships an update every 5 weeks, 慣用句 ! every 3 months. The most recent releases landed on September 17, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | 四字熟語の王様 | 慣用句 ! |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Size | 138 MB | 154 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [HANAUTA INC.](https://appshunter.io/developer/492009717) | [Ohmori Takeru](https://appshunter.io/developer/969791681) |

## What reviewers say

### 四字熟語の王様

[App page](https://appshunter.io/ios/app/and/id1611707530)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 特訓プラン | $2.99 | per month |
| 特訓プラン | $15.99 | per 6 months |
| 特訓プラン | $25.49 | per year |


### 慣用句 !

[App page](https://appshunter.io/ios/app/id6470895936)

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

**In-app purchases:** none


## Frequently asked questions

### Is 四字熟語の王様 free?

四字熟語の王様 is free to download, with in-app purchases available.

### Is 慣用句 ! free?

慣用句 ! is free to download, with no in-app purchases.

### Do 四字熟語の王様 or 慣用句 ! have ads?

Both 四字熟語の王様 and 慣用句 ! show ads.

### Which is updated more often, 四字熟語の王様 or 慣用句 !?

四字熟語の王様 ships an update every 5 weeks, and 慣用句 ! every 3 months. Most recently, 四字熟語の王様 was updated on September 17, 2026 and 慣用句 ! on September 21, 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.*