# 数学動画講座中1(数量編) vs KeisanReflex

The clearest difference is device support: KeisanReflex 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 17.0). 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) | KeisanReflex |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | Yes |
| Size | 14 MB | 6 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | — | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Manabu Narawa](https://appshunter.io/developer/1027712863) | [TOHRU HIRANO](https://appshunter.io/developer/1871149066) |

## 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


### KeisanReflex

[App page](https://appshunter.io/ios/app/keisanreflex/id6771355937)

**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 KeisanReflex free?

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

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*