# 日本史チャレンジ vs 品質管理検定4級 合格ドリル

The clearest difference is ads: 日本史チャレンジ at none against 品質管理検定4級 合格ドリル's shown. 品質管理検定4級 合格ドリル's advantage is iOS requirement (15.1 vs 17.0). 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.

日本史チャレンジ ships an update fortnightly, 品質管理検定4級 合格ドリル every 9 days. The most recent releases landed on October 13, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 日本史チャレンジ | 品質管理検定4級 合格ドリル |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Every 9 days** |
| Size | 9 MB | 53 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SANWA Inc.](https://appshunter.io/developer/1878028373) | [AFTW LLC](https://appshunter.io/developer/1886356149) |

## What reviewers say

### 日本史チャレンジ

[App page](https://appshunter.io/ios/app/id6760858551)

**Features:** macOS Compatibility

**In-app purchases:** none


### 品質管理検定4級 合格ドリル

[App page](https://appshunter.io/ios/app/4/id6762573301)

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

**In-app purchases:** none


## Frequently asked questions

### Is 日本史チャレンジ free?

日本史チャレンジ is free to download, with no in-app purchases.

### Is 品質管理検定4級 合格ドリル free?

品質管理検定4級 合格ドリル is free to download, with no in-app purchases.

### Do 日本史チャレンジ or 品質管理検定4級 合格ドリル have ads?

品質管理検定4級 合格ドリル shows ads; 日本史チャレンジ does not.

### Which is updated more often, 日本史チャレンジ or 品質管理検定4級 合格ドリル?

日本史チャレンジ ships an update fortnightly, and 品質管理検定4級 合格ドリル every 9 days. Most recently, 日本史チャレンジ was updated on October 13, 2026 and 品質管理検定4級 合格ドリル on October 24, 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.*