# Structura 元素合成 ― 化学反応を覚えるパズル vs Motion Physics Gallery

The clearest difference is in-app purchases: Motion Physics Gallery at none against Structura 元素合成 ― 化学反応を覚えるパズル's 1. Structura 元素合成 ― 化学反応を覚えるパズル's advantage is update cadence (weekly vs every 5 weeks) and iOS requirement (17.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Structura 元素合成 ― 化学反応を覚えるパズル sells 1 one-off in-app purchase. Motion Physics Gallery asks for nothing beyond the download.

Structura 元素合成 ― 化学反応を覚えるパズル ships an update weekly, Motion Physics Gallery every 5 weeks. Both last shipped on October 29, 2026.

## The numbers

| Metric | Structura 元素合成 ― 化学反応を覚えるパズル | Motion Physics Gallery |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 5 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 99 MB | 5 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SNAPLACE](https://appshunter.io/developer/6790258232) | [Naoki Chiba](https://appshunter.io/developer/1895372512) |

## What reviewers say

### Structura 元素合成 ― 化学反応を覚えるパズル

[App page](https://appshunter.io/ios/app/structura/id6795030898)

Learn chemical reactions through a falling puzzle game. Connect elements and ions to form compounds, with visual representations of structures and interactive quizzes to reinforce learning. Covers inorganic, organic, and polymer reactions.

**Highlights:** Falling puzzle gameplay, Visual representation of chemical structures, Interactive quizzes, Covers inorganic, organic, and polymer reactions, Progress tracking for forgotten reactions, Element characters with stage-specific tips

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 全単元を解放 | $2.99 | one-time |


### Motion Physics Gallery

[App page](https://appshunter.io/ios/app/motion-physics-gallery/id6799315138)

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

**In-app purchases:** none


## Frequently asked questions

### Is Structura 元素合成 ― 化学反応を覚えるパズル free?

Structura 元素合成 ― 化学反応を覚えるパズル is free to download, with in-app purchases available.

### Is Motion Physics Gallery free?

Motion Physics Gallery is free to download, with no in-app purchases.

### Do Structura 元素合成 ― 化学反応を覚えるパズル or Motion Physics Gallery have ads?

Neither Structura 元素合成 ― 化学反応を覚えるパズル nor Motion Physics Gallery shows ads.

### Which is updated more often, Structura 元素合成 ― 化学反応を覚えるパズル or Motion Physics Gallery?

Structura 元素合成 ― 化学反応を覚えるパズル ships an update weekly, and Motion Physics Gallery every 5 weeks. Most recently, Structura 元素合成 ― 化学反応を覚えるパズル was updated on October 29, 2026 and Motion Physics Gallery on October 29, 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.*