# QB説明　５年　図形の角 vs Mathematical Playground

The clearest difference is update cadence: Mathematical Playground at every 2 months against QB説明　５年　図形の角's every 10 months. Mathematical Playground also leads on price ($1.99 vs $3.99). QB説明　５年　図形の角's advantage is iOS requirement (13.0 vs 17.6). On ads, in-app purchases and device support there is nothing between them.

QB説明　５年　図形の角 costs $3.99 and Mathematical Playground $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

QB説明　５年　図形の角 ships an update every 10 months, Mathematical Playground every 2 months. The most recent releases landed on June 6, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | QB説明　５年　図形の角 | Mathematical Playground |
| --- | --- | --- |
| Price | $3.99 | **$1.99** |
| Positive reviews | — | 22.2% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 2 months** |
| Monetization | — | Paid |
| Size | 7 MB | 96 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Suzuki Educational Software Co.,Ltd.](https://appshunter.io/developer/585512975) | [Jun Nakashima](https://appshunter.io/developer/1130820204) |

## What reviewers say

### QB説明　５年　図形の角

[App page](https://appshunter.io/ios/app/qb/id667883701)

**In-app purchases:** none


### 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


## Frequently asked questions

### Is QB説明　５年　図形の角 free?

QB説明　５年　図形の角 costs $3.99, with no in-app purchases.

### Is Mathematical Playground free?

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

### Do QB説明　５年　図形の角 or Mathematical Playground have ads?

Neither QB説明　５年　図形の角 nor Mathematical Playground shows ads.

### Which is updated more often, QB説明　５年　図形の角 or Mathematical Playground?

QB説明　５年　図形の角 ships an update every 10 months, and Mathematical Playground every 2 months. Most recently, QB説明　５年　図形の角 was updated on June 6, 2026 and Mathematical Playground on October 11, 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.*