# QB説明　４年　面積 vs わかる！算数 小学４年【上】

The clearest difference is price: QB説明　４年　面積 at $4.99 against わかる！算数 小学４年【上】's $9.99. QB説明　４年　面積 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.

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

QB説明　４年　面積 ships an update every 19 months, わかる！算数 小学４年【上】 every 37 months. The most recent releases landed on October 11, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | QB説明　４年　面積 | わかる！算数 小学４年【上】 |
| --- | --- | --- |
| Price | **$4.99** | $9.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 19 months** | Every 37 months |
| Size | 9 MB | 50 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Suzuki Educational Software Co.,Ltd.](https://appshunter.io/developer/585512975) | [がくげい](https://appshunter.io/developer/415230275) |

## What reviewers say

### QB説明　４年　面積

[App page](https://appshunter.io/ios/app/qb/id770302362)

**In-app purchases:** none


### わかる！算数 小学４年【上】

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

**In-app purchases:** none


## Frequently asked questions

### Is QB説明　４年　面積 free?

QB説明　４年　面積 costs $4.99, with no in-app purchases.

### 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.

### Do QB説明　４年　面積 or わかる！算数 小学４年【上】 have ads?

Neither QB説明　４年　面積 nor わかる！算数 小学４年【上】 shows ads.

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

QB説明　４年　面積 ships an update every 19 months, and わかる！算数 小学４年【上】 every 37 months. Most recently, QB説明　４年　面積 was updated on October 11, 2026 and わかる！算数 小学４年【上】 on October 15, 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.*