# Chempuz vs 素因数分解キングダム

The clearest difference is in-app purchases: 素因数分解キングダム at none against Chempuz's 2. 素因数分解キングダム also leads on ads (none vs shown) and update cadence (weekly vs every 5 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Chempuz sells 2 one-off in-app purchases. 素因数分解キングダム asks for nothing beyond the download.

Chempuz ships an update every 5 weeks, 素因数分解キングダム weekly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Chempuz | 素因数分解キングダム |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 57 MB | 55 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [TomatoAppLab](https://appshunter.io/developer/1676711750) | [Yuta Matsuda](https://appshunter.io/developer/1788852960) |

## What reviewers say

### Chempuz

[App page](https://appshunter.io/ios/app/chempuz/id6446211267)

Learn organic chemistry basics by creating molecules and completing puzzles. Trace functional groups to build compounds, score higher with complex structures, and use flashcards to memorize names. Enjoy learning through engaging gameplay.

**Highlights:** Create organic molecules by tracing functional groups, Build approximately 100 types of organic molecules, Score higher with more complex compound creation, Collect discovered compounds, Memorize molecule names with flashcards, Learn organic chemistry through gameplay

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 gem | $0.29 | one-time |
| 10 gems | $1.99 | one-time |


### 素因数分解キングダム

[App page](https://appshunter.io/ios/app/id6740195589)

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

**In-app purchases:** none


## Frequently asked questions

### Is Chempuz free?

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

### Is 素因数分解キングダム free?

素因数分解キングダム is free to download, with no in-app purchases.

### Do Chempuz or 素因数分解キングダム have ads?

Chempuz shows ads; 素因数分解キングダム does not.

### Which is updated more often, Chempuz or 素因数分解キングダム?

Chempuz ships an update every 5 weeks, and 素因数分解キングダム weekly. Most recently, Chempuz was updated on November 3, 2026 and 素因数分解キングダム on October 30, 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.*