# QB説明　３年　わり算 vs TERRACE S

The clearest difference is price: TERRACE S at Free against QB説明　３年　わり算's $4.99. TERRACE S also leads on update cadence (every 2 months vs every 34 months) and device support (3 vs 1). QB説明　３年　わり算's advantage is iOS requirement (9.0 vs 12.0). On ads and in-app purchases there is nothing between them.

TERRACE S is free to download; QB説明　３年　わり算 costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

QB説明　３年　わり算 ships an update every 34 months, TERRACE S every 2 months. The most recent releases landed on October 10, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | QB説明　３年　わり算 | TERRACE S |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 34 months | **Every 2 months** |
| Size | 55 MB | 215 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Suzuki Educational Software Co.,Ltd.](https://appshunter.io/developer/585512975) | [SRJ](https://appshunter.io/developer/794881876) |

## What reviewers say

### QB説明　３年　わり算

[App page](https://appshunter.io/ios/app/qb/id1446815888)

**In-app purchases:** none


### TERRACE S

[App page](https://appshunter.io/ios/app/terrace-s/id1672475086)

**In-app purchases:** none


## Frequently asked questions

### Is QB説明　３年　わり算 free?

QB説明　３年　わり算 costs $4.99, with no in-app purchases.

### Is TERRACE S free?

TERRACE S is free to download, with no in-app purchases.

### Do QB説明　３年　わり算 or TERRACE S have ads?

Neither QB説明　３年　わり算 nor TERRACE S shows ads.

### Which is updated more often, QB説明　３年　わり算 or TERRACE S?

QB説明　３年　わり算 ships an update every 34 months, and TERRACE S every 2 months. Most recently, QB説明　３年　わり算 was updated on October 10, 2026 and TERRACE S on November 7, 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.*