# わかる！算数 小学４年【上】 vs QB説明　４年　わり算の筆算２

The clearest difference is price: QB説明　４年　わり算の筆算２ at $4.99 against わかる！算数 小学４年【上】's $9.99. QB説明　４年　わり算の筆算２ also leads on iOS requirement (12.0 vs 15.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

わかる！算数 小学４年【上】 costs $9.99 and QB説明　４年　わり算の筆算２ $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

わかる！算数 小学４年【上】 ships an update every 37 months, QB説明　４年　わり算の筆算２ every 33 months. Both last shipped on September 10, 2026.

## The numbers

| Metric | わかる！算数 小学４年【上】 | QB説明　４年　わり算の筆算２ |
| --- | --- | --- |
| Price | $9.99 | **$4.99** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 37 months | **Every 33 months** |
| Size | 50 MB | 9 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [がくげい](https://appshunter.io/developer/415230275) | [Suzuki Educational Software Co.,Ltd.](https://appshunter.io/developer/585512975) |

## What reviewers say

### わかる！算数 小学４年【上】

[App page](https://appshunter.io/ios/app/id897322501)

**In-app purchases:** none


### QB説明　４年　わり算の筆算２

[App page](https://appshunter.io/ios/app/qb/id1411871468)

**In-app purchases:** none


## Frequently asked questions

### Is わかる！算数 小学４年【上】 free?

わかる！算数 小学４年【上】 costs $9.99, with no in-app purchases.

### Is QB説明　４年　わり算の筆算２ free?

QB説明　４年　わり算の筆算２ costs $4.99, with no in-app purchases.

### Do わかる！算数 小学４年【上】 or QB説明　４年　わり算の筆算２ have ads?

Neither わかる！算数 小学４年【上】 nor QB説明　４年　わり算の筆算２ shows ads.

### Which is updated more often, わかる！算数 小学４年【上】 or QB説明　４年　わり算の筆算２?

わかる！算数 小学４年【上】 ships an update every 37 months, and QB説明　４年　わり算の筆算２ every 33 months. Most recently, わかる！算数 小学４年【上】 was updated on September 10, 2026 and QB説明　４年　わり算の筆算２ on September 10, 2026.

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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.*