# 知識ング!! vs Cert Rogue 知識のダンジョン

The clearest difference is in-app purchases: 知識ング!! at none against Cert Rogue 知識のダンジョン's 8. 知識ング!! also leads on iOS requirement (11.0 vs 13.0). Cert Rogue 知識のダンジョン's advantage is device support. On price there is nothing between them.

Both are free to download. Cert Rogue 知識のダンジョン sells 8 one-off in-app purchases. 知識ング!! asks for nothing beyond the download.

## The numbers

| Metric | 知識ング!! | Cert Rogue 知識のダンジョン |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Every 3 weeks |
| Size | 71 MB | 26 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [HIKARU UEDA](https://appshunter.io/developer/1617407962) | [TAKESHI TAMEGAI](https://appshunter.io/developer/1896333216) |

## What reviewers say

### 知識ング!!

[App page](https://appshunter.io/ios/app/id6504483121)

**In-app purchases:** none


### Cert Rogue 知識のダンジョン

[App page](https://appshunter.io/ios/app/cert-rogue/id6772684520)

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 世界史ダンジョン(歴検3級) | $1.99 | one-time |
| ITパスポート ダンジョン | $1.99 | one-time |
| 麻雀ダンジョン(役・点数計算) | $1.99 | one-time |
| AI-102 ダンジョン | $1.99 | one-time |
| 世界遺産検定2級 ダンジョン | $1.99 | one-time |
| 世界遺産検定1級 ダンジョン | $1.99 | one-time |
| 世界史ダンジョン(歴検2級) | $1.99 | one-time |
| 競馬データダンジョン | $1.99 | one-time |


## Frequently asked questions

### Is 知識ング!! free?

知識ング!! is free to download, with no in-app purchases.

### Is Cert Rogue 知識のダンジョン free?

Cert Rogue 知識のダンジョン is free to download, with in-app purchases available.

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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.*