# Mathematical Playground vs GCD LCM Calculation

The clearest difference is price: GCD LCM Calculation at Free against Mathematical Playground's $1.99. GCD LCM Calculation also leads on iOS requirement (15.0 vs 17.6). Mathematical Playground's advantage is ads (none vs shown). On update cadence, in-app purchases and device support there is nothing between them.

GCD LCM Calculation is free to download; Mathematical Playground costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 2, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Mathematical Playground | GCD LCM Calculation |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Positive reviews | 22.2% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Paid | — |
| Size | 96 MB | 14 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jun Nakashima](https://appshunter.io/developer/1130820204) | [Kazuhisa Kobayashi](https://appshunter.io/developer/1580882000) |

## 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


### 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 Mathematical Playground free?

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

### Is GCD LCM Calculation free?

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

### Do Mathematical Playground or GCD LCM Calculation have ads?

GCD LCM Calculation shows ads; Mathematical Playground does not.

### Which is updated more often, Mathematical Playground or GCD LCM Calculation?

Mathematical Playground ships an update every 2 months, and GCD LCM Calculation every 2 months. Most recently, Mathematical Playground was updated on November 2, 2026 and GCD LCM Calculation on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*