# 習熟！中学受験四字熟語 vs 慣用句 !

The clearest difference is in-app purchases: 慣用句 ! at none against 習熟！中学受験四字熟語's 1. 慣用句 ! also leads on iOS requirement (13.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 習熟！中学受験四字熟語 sells 1 in-app purchase, starting at $0.49 per month. 慣用句 ! asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | 習熟！中学受験四字熟語 | 慣用句 ! |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | Every 3 months |
| Size | 136 MB | 154 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Motoki Takata](https://appshunter.io/developer/1621307537) | [Ohmori Takeru](https://appshunter.io/developer/969791681) |

## What reviewers say

### 習熟！中学受験四字熟語

[App page](https://appshunter.io/ios/app/id6451071186)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告の非表示 | $0.49 | per month |


### 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 習熟！中学受験四字熟語 free?

習熟！中学受験四字熟語 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 習熟！中学受験四字熟語 or 慣用句 ! have ads?

Both 習熟！中学受験四字熟語 and 慣用句 ! show ads.

### Which is updated more often, 習熟！中学受験四字熟語 or 慣用句 !?

習熟！中学受験四字熟語 ships an update every 3 months, and 慣用句 ! every 3 months. Most recently, 習熟！中学受験四字熟語 was updated on November 3, 2026 and 慣用句 ! on November 7, 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.*