# 知識ング!! vs Kadai

The clearest difference is device support: Kadai at 2 against 知識ング!!'s —. 知識ング!!'s advantage is iOS requirement (11.0 vs 26.2). On price and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | 知識ング!! | Kadai |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | Yes |
| Size | 71 MB | 4 MB |
| Requires iOS | **11.0** | 26.2 |
| Devices | — | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [HIKARU UEDA](https://appshunter.io/developer/1617407962) | [Naruhide Shibazaki](https://appshunter.io/developer/1870444141) |

## What reviewers say

### 知識ング!!

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

**In-app purchases:** none


### Kadai

[App page](https://appshunter.io/ios/app/kadai/id6758034034)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 知識ング!! free?

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

### Is Kadai free?

Kadai is free to download, with no in-app purchases.

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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.*