# 四字熟語の王様 vs AI大学コーチ 国語

The clearest difference is ads: AI大学コーチ 国語 at none against 四字熟語の王様's shown. AI大学コーチ 国語 also leads on update cadence (every 10 days vs every 5 weeks). On price, in-app purchases, device support and iOS requirement 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 and AI大学コーチ 国語 sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

四字熟語の王様 ships an update every 5 weeks, AI大学コーチ 国語 every 10 days. The most recent releases landed on October 13, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | 四字熟語の王様 | AI大学コーチ 国語 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Every 10 days** |
| Monetization | Free with in-app purchases | — |
| Size | 138 MB | 45 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [HANAUTA INC.](https://appshunter.io/developer/492009717) | [Burning Tribe](https://appshunter.io/developer/1888072646) |

## What reviewers say

### 四字熟語の王様

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

Master Japanese four-character idioms with this quiz-style learning app. It offers over 3000 questions in various formats, making study sessions short and engaging. Ideal for exam preparation and cultural understanding.

**Highlights:** Over 3000 questions, Quiz-like learning, Short play sessions, Game-like progression, Exam preparation, Easy Q/A format

**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 |


### AI大学コーチ 国語

[App page](https://appshunter.io/ios/app/ai/id6797513021)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアム（月額） | $2.99 | per month |
| プレミアム（年額） | $29.99 | per year |


## 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 AI大学コーチ 国語 free?

AI大学コーチ 国語 is free to download, with in-app purchases available.

### Do 四字熟語の王様 or AI大学コーチ 国語 have ads?

四字熟語の王様 shows ads; AI大学コーチ 国語 does not.

### Which is updated more often, 四字熟語の王様 or AI大学コーチ 国語?

四字熟語の王様 ships an update every 5 weeks, and AI大学コーチ 国語 every 10 days. Most recently, 四字熟語の王様 was updated on October 13, 2026 and AI大学コーチ 国語 on October 10, 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.*