# QB説明　４年　角の大きさ 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　４年　角の大きさ's $4.99. QB説明　４年　角の大きさ'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　４年　角の大きさ costs $4.99 up front. 楽しい社会小学４年 sells 1 one-off in-app purchase. QB説明　４年　角の大きさ asks for nothing beyond the download.

QB説明　４年　角の大きさ ships an update every 34 months, 楽しい社会小学４年 every 27 months. The most recent releases landed on September 10, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | QB説明　４年　角の大きさ | 楽しい社会小学４年 |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 34 months | **Every 27 months** |
| Size | 9 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　４年　角の大きさ

[App page](https://appshunter.io/ios/app/qb/id1449692162)

**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　４年　角の大きさ free?

QB説明　４年　角の大きさ 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　４年　角の大きさ or 楽しい社会小学４年 have ads?

Neither QB説明　４年　角の大きさ nor 楽しい社会小学４年 shows ads.

### Which is updated more often, QB説明　４年　角の大きさ or 楽しい社会小学４年?

QB説明　４年　角の大きさ ships an update every 34 months, and 楽しい社会小学４年 every 27 months. Most recently, QB説明　４年　角の大きさ was updated on September 10, 2026 and 楽しい社会小学４年 on September 18, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*