# QB説明　５年　体積 vs GCD LCM Calculation

The clearest difference is price: GCD LCM Calculation at Free against QB説明　５年　体積's $4.99. GCD LCM Calculation also leads on update cadence (every 2 months vs every 32 months) and device support (3 vs 1). QB説明　５年　体積's advantage is ads (none vs shown) and iOS requirement (11.0 vs 15.0). On in-app purchases there is nothing between them.

GCD LCM Calculation is free to download; QB説明　５年　体積 costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

QB説明　５年　体積 ships an update every 32 months, GCD LCM Calculation every 2 months. The most recent releases landed on August 22, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | QB説明　５年　体積 | GCD LCM Calculation |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 32 months | **Every 2 months** |
| Monetization | Paid | — |
| Size | 8 MB | 14 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Suzuki Educational Software Co.,Ltd.](https://appshunter.io/developer/585512975) | [Kazuhisa Kobayashi](https://appshunter.io/developer/1580882000) |

## 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


### GCD LCM Calculation

[App page](https://appshunter.io/ios/app/gcd-lcm-calculation/id6621190448)

**Features:** macOS Compatibility

**In-app purchases:** none


## 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 GCD LCM Calculation free?

GCD LCM Calculation is free to download, with no in-app purchases.

### Do QB説明　５年　体積 or GCD LCM Calculation have ads?

GCD LCM Calculation shows ads; QB説明　５年　体積 does not.

### Which is updated more often, QB説明　５年　体積 or GCD LCM Calculation?

QB説明　５年　体積 ships an update every 32 months, and GCD LCM Calculation every 2 months. Most recently, QB説明　５年　体積 was updated on August 22, 2026 and GCD LCM Calculation on September 23, 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.*