# Mathematical Playground vs QB説明３年　分数のたし算とひき算

The clearest difference is update cadence: Mathematical Playground at every 2 months against QB説明３年　分数のたし算とひき算's every 33 months. Mathematical Playground also leads on price ($1.99 vs $3.99). QB説明３年　分数のたし算とひき算's advantage is iOS requirement (11.0 vs 17.6). On ads, in-app purchases and device support there is nothing between them.

Mathematical Playground costs $1.99 and QB説明３年　分数のたし算とひき算 $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Mathematical Playground ships an update every 2 months, QB説明３年　分数のたし算とひき算 every 33 months. The most recent releases landed on October 11, 2026 and November 28, 2025 respectively.

## The numbers

| Metric | Mathematical Playground | QB説明３年　分数のたし算とひき算 |
| --- | --- | --- |
| Price | **$1.99** | $3.99 |
| Positive reviews | 22.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 33 months |
| Monetization | Paid | — |
| Size | 96 MB | 7 MB |
| Requires iOS | 17.6 | **11.0** |
| Devices | **iPhone, iPad** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jun Nakashima](https://appshunter.io/developer/1130820204) | [Suzuki Educational Software Co.,Ltd.](https://appshunter.io/developer/585512975) |

## What reviewers say

### Mathematical Playground

[App page](https://appshunter.io/ios/app/mathematical-playground/id1180400849)

An educational tool for learning and teaching about 3D mathematical shapes. It offers features like measuring dimensions, cutting shapes, and coloring, making complex geometry accessible for students and educators.

**Highlights:** Measure length, area, distance, angles, and volume, Cut shapes along a specified plane, Expand shapes face by face, Color and highlight shapes, Handwriting and screenshot tools, Share shape data wirelessly

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### QB説明３年　分数のたし算とひき算

[App page](https://appshunter.io/ios/app/qb/id1193478048)

**In-app purchases:** none


## Frequently asked questions

### Is Mathematical Playground free?

Mathematical Playground costs $1.99, with no in-app purchases.

### Is QB説明３年　分数のたし算とひき算 free?

QB説明３年　分数のたし算とひき算 costs $3.99, with no in-app purchases.

### Do Mathematical Playground or QB説明３年　分数のたし算とひき算 have ads?

Neither Mathematical Playground nor QB説明３年　分数のたし算とひき算 shows ads.

### Which is updated more often, Mathematical Playground or QB説明３年　分数のたし算とひき算?

Mathematical Playground ships an update every 2 months, and QB説明３年　分数のたし算とひき算 every 33 months. Most recently, Mathematical Playground was updated on October 11, 2026 and QB説明３年　分数のたし算とひき算 on November 28, 2025.

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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.*