# 国旗クイズ vs MathHelper

The clearest difference is ads: MathHelper at none against 国旗クイズ's shown. 国旗クイズ's advantage is iOS requirement (15.1 vs 26.2). On price, 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.

## The numbers

| Metric | 国旗クイズ | MathHelper |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | — |
| Size | 68 MB | 4 MB |
| Requires iOS | **15.1** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Taiki Saito](https://appshunter.io/developer/995768398) | [Takahiko Ikenuma](https://appshunter.io/developer/1882605729) |

## What reviewers say

### 国旗クイズ

[App page](https://appshunter.io/ios/app/id1617508389)

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

**In-app purchases:** none


### MathHelper

[App page](https://appshunter.io/ios/app/mathhelper/id6764332399)

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

**In-app purchases:** none


## Frequently asked questions

### Is 国旗クイズ free?

国旗クイズ is free to download, with no in-app purchases.

### Is MathHelper free?

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

### Do 国旗クイズ or MathHelper have ads?

国旗クイズ shows ads; MathHelper does not.

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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.*