# Jam Sweeper vs Chempuz

The clearest difference is in-app purchases: Jam Sweeper at none against Chempuz's 2. Jam Sweeper also leads on iOS requirement (11.0 vs 15.0). Chempuz's advantage is update cadence (every 5 weeks vs every 23 months). On price, ads and device support there is nothing between them.

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

Jam Sweeper ships an update every 23 months, Chempuz every 5 weeks. The most recent releases landed on October 7, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Jam Sweeper | Chempuz |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 23 months | **Every 5 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 33 MB | 57 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Raffaele Amuso](https://appshunter.io/developer/912157295) | [TomatoAppLab](https://appshunter.io/developer/1676711750) |

## What reviewers say

### Jam Sweeper

[App page](https://appshunter.io/ios/app/jam-sweeper/id1615180351)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Jam Sweeper free?

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

### Is Chempuz free?

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

### Do Jam Sweeper or Chempuz have ads?

Both Jam Sweeper and Chempuz show ads.

### Which is updated more often, Jam Sweeper or Chempuz?

Jam Sweeper ships an update every 23 months, and Chempuz every 5 weeks. Most recently, Jam Sweeper was updated on October 7, 2026 and Chempuz on October 9, 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.*