# FX中学数学問題の解決機 vs Mathematical Playground

The clearest difference is price: FX中学数学問題の解決機 at Free against Mathematical Playground's $1.99. FX中学数学問題の解決機 also leads on review sentiment (67% vs 22%) and iOS requirement (8.0 vs 17.6). Mathematical Playground's advantage is update cadence (every 2 months vs every 5 months). On ads, in-app purchases and device support there is nothing between them.

FX中学数学問題の解決機 is free to download; Mathematical Playground costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

FX中学数学問題の解決機 ships an update every 5 months, Mathematical Playground every 2 months. The most recent releases landed on October 6, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | FX中学数学問題の解決機 | Mathematical Playground |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Positive reviews | **66.7% of reviews** | 22.2% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | **Free** | Paid |
| Size | 43 MB | 96 MB |
| Requires iOS | **8.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Euclidus Inc](https://appshunter.io/developer/490623202) | [Jun Nakashima](https://appshunter.io/developer/1130820204) |

## What reviewers say

### FX中学数学問題の解決機

[App page](https://appshunter.io/ios/app/fx/id1059257288)

This AI-powered tool helps junior high students learn math by solving problems and providing step-by-step animated explanations. It serves as a virtual tutor for self-study, pre-learning units, and exam preparation, offering over 1200 practice problems.

**Highlights:** AI-powered problem solving, Animated step-by-step solutions, Virtual tutor for self-study, Pre-learning unit support, Exam preparation tool, Over 1200 practice problems, Covers various math topics

**Features:** macOS Compatibility

**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 FX中学数学問題の解決機 free?

FX中学数学問題の解決機 is free to download, with no in-app purchases.

### Is Mathematical Playground free?

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

### Do FX中学数学問題の解決機 or Mathematical Playground have ads?

Neither FX中学数学問題の解決機 nor Mathematical Playground shows ads.

### Which is updated more often, FX中学数学問題の解決機 or Mathematical Playground?

FX中学数学問題の解決機 ships an update every 5 months, and Mathematical Playground every 2 months. Most recently, FX中学数学問題の解決機 was updated on October 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.*