# 倫理の王様 vs 世界史年号問題

The clearest difference is review sentiment: 世界史年号問題 at 82% against 倫理の王様's 70%. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. 倫理の王様 sells 3 in-app purchases, starting at $3.49 per month and 世界史年号問題 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

倫理の王様 ships an update every 5 weeks, 世界史年号問題 every 3 weeks. The most recent releases landed on July 31, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | 倫理の王様 | 世界史年号問題 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/and/id1547955470/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 70.0% of reviews | **82.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 138 MB | 15 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [HANAUTA INC.](https://appshunter.io/developer/492009717) | [Akira Fujisawa](https://appshunter.io/developer/1533514621) |

## What reviewers say

### 倫理の王様

[App page](https://appshunter.io/ios/app/and/id1547955470)

This app offers a fun, quiz-like approach to learning ethics for high school students. It features over 1500 questions in various formats, designed for efficient memorization and exam preparation. Play sessions are short, making it suitable for quick study sessions.

**Highlights:** Over 1500 ethics questions, Q/A and multiple-choice formats, Short play sessions for quick study, Game-like progression with stages, Rewards for clearing quests, Adheres to high school guidelines

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 特訓プラン | $3.49 | per month |
| 特訓プラン | $16.99 | per 6 months |
| 特訓プラン | $26.99 | per year |


### 世界史年号問題

[App page](https://appshunter.io/ios/app/id1591797286)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告非表示 | $4.99 | one-time |


## Frequently asked questions

### Is 倫理の王様 free?

倫理の王様 is free to download, with in-app purchases available.

### Is 世界史年号問題 free?

世界史年号問題 is free to download, with in-app purchases available.

### Do 倫理の王様 or 世界史年号問題 have ads?

Both 倫理の王様 and 世界史年号問題 show ads.

### Which is updated more often, 倫理の王様 or 世界史年号問題?

倫理の王様 ships an update every 5 weeks, and 世界史年号問題 every 3 weeks. Most recently, 倫理の王様 was updated on July 31, 2026 and 世界史年号問題 on September 22, 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.*