# 四字熟語判定 vs 慣用句 !

The clearest difference is ads: 四字熟語判定 at none against 慣用句 !'s shown. 四字熟語判定 also leads on iOS requirement (9.0 vs 13.0). On price, update cadence, in-app purchases and device support there is nothing between them.

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

四字熟語判定 ships an update every 4 months, 慣用句 ! every 3 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 四字熟語判定 | 慣用句 ! |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 3 months** |
| Size | 43 MB | 154 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Gloding Inc.](https://appshunter.io/developer/780228385) | [Ohmori Takeru](https://appshunter.io/developer/969791681) |

## What reviewers say

### 四字熟語判定

[App page](https://appshunter.io/ios/app/id888619156)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 四字熟語判定 free?

四字熟語判定 is free to download, with no in-app purchases.

### Is 慣用句 ! free?

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

### Do 四字熟語判定 or 慣用句 ! have ads?

慣用句 ! shows ads; 四字熟語判定 does not.

### Which is updated more often, 四字熟語判定 or 慣用句 !?

四字熟語判定 ships an update every 4 months, and 慣用句 ! every 3 months. Most recently, 四字熟語判定 was updated on October 24, 2026 and 慣用句 ! on October 25, 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.*