# RISE中学受験理科 vs Structura

The clearest difference is in-app purchases: RISE中学受験理科 at none against Structura's 1. Structura's advantage is update cadence (every 4 days vs every 6 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Structura sells 1 one-off in-app purchase. RISE中学受験理科 asks for nothing beyond the download.

RISE中学受験理科 ships an update every 6 months, Structura every 4 days. The most recent releases landed on October 31, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | RISE中学受験理科 | Structura |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 4 days** |
| Monetization | — | Freemium |
| Size | 12 MB | 100 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [DE NOVO STUDIO](https://appshunter.io/developer/1787923748) | [SNAPLACE](https://appshunter.io/developer/6790258232) |

## What reviewers say

### RISE中学受験理科

[App page](https://appshunter.io/ios/app/rise/id6766385232)

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

**In-app purchases:** none


### Structura

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

Learn chemical reactions by playing a falling-block puzzle game. Combine elements and ions to build compounds, with over 350 reactions covered. Practice recall with quizzes and tests, and experiment freely with all elements.

**Highlights:** Falling-block puzzle gameplay, Element and ion combination, 356 chemical reactions covered, 46 learning stages, In-game quizzes and tests, Free experiment mode, Visual representation of compounds

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Units | $2.99 | one-time |


## Frequently asked questions

### Is RISE中学受験理科 free?

RISE中学受験理科 is free to download, with no in-app purchases.

### Is Structura free?

Structura is free to download, with in-app purchases available.

### Do RISE中学受験理科 or Structura have ads?

Neither RISE中学受験理科 nor Structura shows ads.

### Which is updated more often, RISE中学受験理科 or Structura?

RISE中学受験理科 ships an update every 6 months, and Structura every 4 days. Most recently, RISE中学受験理科 was updated on October 31, 2026 and Structura on November 8, 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.*