# 数学動画講座中1(数量編) vs Flag Quiz X

The clearest difference is device support: Flag Quiz X at 2 against 数学動画講座中1(数量編)'s —. 数学動画講座中1(数量編)'s advantage is iOS requirement (12.0 vs 15.0). 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 | 数学動画講座中1(数量編) | Flag Quiz X |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 2 days |
| Size | 14 MB | 10 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | — | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Manabu Narawa](https://appshunter.io/developer/1027712863) | [Hatsuhito Shimizu](https://appshunter.io/developer/1809291940) |

## What reviewers say

### 数学動画講座中1(数量編)

[App page](https://appshunter.io/ios/app/1/id6444610849)

**In-app purchases:** none


### Flag Quiz X

[App page](https://appshunter.io/ios/app/flag-quiz-x-world-flags/id6785129599)

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

**In-app purchases:** none


## Frequently asked questions

### Is 数学動画講座中1(数量編) free?

数学動画講座中1(数量編) is free to download, with no in-app purchases.

### Is Flag Quiz X free?

Flag Quiz X 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.*