# 四字熟語の王様 vs 日本文学史 一問一答

The clearest difference is review sentiment: 日本文学史 一問一答 at 86% against 四字熟語の王様's 50%. 日本文学史 一問一答 also leads on update cadence (every 9 days vs every 5 weeks). 四字熟語の王様's advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and monetization model 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 日本文学史 一問一答 sells 2 one-off in-app purchases. 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, 日本文学史 一問一答 every 9 days. Both last shipped on November 3, 2026.

## The numbers

| Metric | 四字熟語の王様 | 日本文学史 一問一答 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | **85.7% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 weeks | **Every 9 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 138 MB | 49 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [HANAUTA INC.](https://appshunter.io/developer/492009717) | [Hajime App Lab](https://appshunter.io/developer/1704838092) |

## 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 |


### 日本文学史 一問一答

[App page](https://appshunter.io/ios/app/id6463722741)

Master Japanese literary history with scientifically proven spaced repetition. Covers 10 eras and 89 questions with detailed explanations, mnemonic devices, and progress tracking. Ideal for exam preparation and cultural learning.

**Highlights:** Spaced repetition learning (SM-2 algorithm), 89 curated questions covering 10 eras, Detailed explanations for each question, Mnemonic devices (gorowase), Note-taking and bookmarking, Progress tracking and learning streaks, Themed Japanese aesthetic design

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 全問題解放 | $3.99 | one-time |
| 広告削除+全問題解放セット | $5.99 | one-time |


## 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 日本文学史 一問一答 free?

日本文学史 一問一答 is free to download, with in-app purchases available.

### Do 四字熟語の王様 or 日本文学史 一問一答 have ads?

Both 四字熟語の王様 and 日本文学史 一問一答 show ads.

### Which is updated more often, 四字熟語の王様 or 日本文学史 一問一答?

四字熟語の王様 ships an update every 5 weeks, and 日本文学史 一問一答 every 9 days. Most recently, 四字熟語の王様 was updated on November 3, 2026 and 日本文学史 一問一答 on November 3, 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.*