# QB説明　５年　体積 vs 楽しい社会小学４年

The clearest difference is price: 楽しい社会小学４年 at Free against QB説明　５年　体積's $4.99. QB説明　５年　体積's advantage is in-app purchases (none vs 1) and iOS requirement (11.0 vs 18.2). On update cadence, ads and device support there is nothing between them.

楽しい社会小学４年 is free to download; QB説明　５年　体積 costs $4.99 up front. 楽しい社会小学４年 sells 1 one-off in-app purchase. QB説明　５年　体積 asks for nothing beyond the download.

QB説明　５年　体積 ships an update every 32 months, 楽しい社会小学４年 every 27 months. The most recent releases landed on October 29, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | QB説明　５年　体積 | 楽しい社会小学４年 |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 32 months | **Every 27 months** |
| Monetization | Paid | — |
| Size | 8 MB | 15 MB |
| Requires iOS | **11.0** | 18.2 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Suzuki Educational Software Co.,Ltd.](https://appshunter.io/developer/585512975) | [Norio Takeda](https://appshunter.io/developer/1485221811) |

## What reviewers say

### QB説明　５年　体積

[App page](https://appshunter.io/ios/app/qb/id1461429270)

This app helps elementary school students understand volume calculations through interactive manipulation of 3D shapes on an iPad. It allows for self-discovery, peer explanation, and visualization of concepts like stacking, unfolding, and filling shapes.

**Highlights:** Interactive 3D shape manipulation, Visualize volume concepts, Practice calculating volume, Explain concepts to peers, Unfolding and cutting shapes, Learning modes: basic and advanced

**In-app purchases:** none


### 楽しい社会小学４年

[App page](https://appshunter.io/ios/app/id1545329355)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ゴールドコイン | $5.99 | one-time |


## Frequently asked questions

### Is QB説明　５年　体積 free?

QB説明　５年　体積 costs $4.99, with no in-app purchases.

### Is 楽しい社会小学４年 free?

楽しい社会小学４年 is free to download, with in-app purchases available.

### Do QB説明　５年　体積 or 楽しい社会小学４年 have ads?

Neither QB説明　５年　体積 nor 楽しい社会小学４年 shows ads.

### Which is updated more often, QB説明　５年　体積 or 楽しい社会小学４年?

QB説明　５年　体積 ships an update every 32 months, and 楽しい社会小学４年 every 27 months. Most recently, QB説明　５年　体積 was updated on October 29, 2026 and 楽しい社会小学４年 on October 27, 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.*