# よくわかる算数小学４年（ダンケ） vs わり算先生

The clearest difference is in-app purchases: わり算先生 at none against よくわかる算数小学４年（ダンケ）'s 1. よくわかる算数小学４年（ダンケ）'s advantage is device support. On price and iOS requirement there is nothing between them.

Both are free to download. よくわかる算数小学４年（ダンケ） sells 1 one-off in-app purchase. わり算先生 asks for nothing beyond the download.

## The numbers

| Metric | よくわかる算数小学４年（ダンケ） | わり算先生 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | — |
| Update frequency | Every 18 months | — |
| Size | 25 MB | 220 MB |
| Requires iOS | 13.5 | **12.0** |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Norio Takeda](https://appshunter.io/developer/1485221811) | [Sumie Watanabe](https://appshunter.io/developer/1349237972) |

## What reviewers say

### よくわかる算数小学４年（ダンケ）

[App page](https://appshunter.io/ios/app/id1532071298)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ゴールドコイン | $7.99 | one-time |


### わり算先生

[App page](https://appshunter.io/ios/app/id6479834776)

**In-app purchases:** none


## Frequently asked questions

### Is よくわかる算数小学４年（ダンケ） free?

よくわかる算数小学４年（ダンケ） is free to download, with in-app purchases available.

### Is わり算先生 free?

わり算先生 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.*