# Structura 元素合成 ― 化学反応を覚えるパズル vs ベクトル

The clearest difference is price: Structura 元素合成 ― 化学反応を覚えるパズル at Free against ベクトル's $2.99. ベクトル's advantage is in-app purchases (none vs 1). On update cadence, ads, device support and iOS requirement there is nothing between them.

Structura 元素合成 ― 化学反応を覚えるパズル is free to download; ベクトル costs $2.99 up front. Structura 元素合成 ― 化学反応を覚えるパズル sells 1 one-off in-app purchase. ベクトル asks for nothing beyond the download.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 31, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Structura 元素合成 ― 化学反応を覚えるパズル | ベクトル |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Monetization | Free with in-app purchases | — |
| Size | 99 MB | 36 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SNAPLACE LLC](https://appshunter.io/developer/6790258232) | [Akira Hiraoka](https://appshunter.io/developer/1668714727) |

## 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 |


### ベクトル

[App page](https://appshunter.io/ios/app/id6797364257)

**Features:** macOS Compatibility, Vision Pro 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 ベクトル free?

ベクトル costs $2.99, with no in-app purchases.

### Do Structura 元素合成 ― 化学反応を覚えるパズル or ベクトル have ads?

Neither Structura 元素合成 ― 化学反応を覚えるパズル nor ベクトル shows ads.

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

Structura 元素合成 ― 化学反応を覚えるパズル ships an update weekly, and ベクトル weekly. Most recently, Structura 元素合成 ― 化学反応を覚えるパズル was updated on October 31, 2026 and ベクトル on October 27, 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.*