# QB説明　４年　角の大きさ vs 中学歴史ー１問１答

The clearest difference is price: 中学歴史ー１問１答 at Free against QB説明　４年　角の大きさ's $4.99. 中学歴史ー１問１答 also leads on update cadence (every 14 months vs every 34 months). 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 ads and device support there is nothing between them.

中学歴史ー１問１答 is free to download; QB説明　４年　角の大きさ costs $4.99 up front. 中学歴史ー１問１答 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, 中学歴史ー１問１答 every 14 months. Both last shipped on September 10, 2026.

## The numbers

| Metric | QB説明　４年　角の大きさ | 中学歴史ー１問１答 |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 34 months | **Every 14 months** |
| Size | 9 MB | 41 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


### 中学歴史ー１問１答

[App page](https://appshunter.io/ios/app/id1524256888)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ゴールドコイン | $7.99 | 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 中学歴史ー１問１答 free?

中学歴史ー１問１答 is free to download, with in-app purchases available.

### Do QB説明　４年　角の大きさ or 中学歴史ー１問１答 have ads?

Neither QB説明　４年　角の大きさ nor 中学歴史ー１問１答 shows ads.

### Which is updated more often, QB説明　４年　角の大きさ or 中学歴史ー１問１答?

QB説明　４年　角の大きさ ships an update every 34 months, and 中学歴史ー１問１答 every 14 months. Most recently, QB説明　４年　角の大きさ was updated on September 10, 2026 and 中学歴史ー１問１答 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.*