# わかる！算数 小学４年【上】 vs QB説明　６年　場合の数

The clearest difference is price: QB説明　６年　場合の数 at $5.99 against わかる！算数 小学４年【上】's $9.99. QB説明　６年　場合の数 also leads on iOS requirement (11.0 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　６年　場合の数 $5.99 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　６年　場合の数 every 36 months. The most recent releases landed on September 10, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | わかる！算数 小学４年【上】 | QB説明　６年　場合の数 |
| --- | --- | --- |
| Price | $9.99 | **$5.99** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 37 months | **Every 36 months** |
| Size | 50 MB | 11 MB |
| Requires iOS | 15.0 | **11.0** |
| 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　６年　場合の数

[App page](https://appshunter.io/ios/app/qb/id1104072657)

**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　６年　場合の数 free?

QB説明　６年　場合の数 costs $5.99, with no in-app purchases.

### Do わかる！算数 小学４年【上】 or QB説明　６年　場合の数 have ads?

Neither わかる！算数 小学４年【上】 nor QB説明　６年　場合の数 shows ads.

### Which is updated more often, わかる！算数 小学４年【上】 or QB説明　６年　場合の数?

わかる！算数 小学４年【上】 ships an update every 37 months, and QB説明　６年　場合の数 every 36 months. Most recently, わかる！算数 小学４年【上】 was updated on September 10, 2026 and QB説明　６年　場合の数 on September 17, 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.*