# Chempuz vs ChemicalMemoryGame

The clearest difference is in-app purchases: ChemicalMemoryGame at none against Chempuz's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Chempuz sells 2 one-off in-app purchases. ChemicalMemoryGame asks for nothing beyond the download.

Chempuz ships an update every 5 weeks, ChemicalMemoryGame monthly. The most recent releases landed on October 24, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Chempuz | ChemicalMemoryGame |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Size | 57 MB | 297 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TomatoAppLab](https://appshunter.io/developer/1676711750) | [soichiro totoki](https://appshunter.io/developer/1755863943) |

## 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 |


### ChemicalMemoryGame

[App page](https://appshunter.io/ios/app/chemicalmemorygame/id6743126799)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Chempuz free?

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

### Is ChemicalMemoryGame free?

ChemicalMemoryGame is free to download, with no in-app purchases.

### Do Chempuz or ChemicalMemoryGame have ads?

Both Chempuz and ChemicalMemoryGame show ads.

### Which is updated more often, Chempuz or ChemicalMemoryGame?

Chempuz ships an update every 5 weeks, and ChemicalMemoryGame monthly. Most recently, Chempuz was updated on October 24, 2026 and ChemicalMemoryGame on October 17, 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.*