# Atoms In Motion, Student Ed. vs Clock Challenge

The clearest difference is price: Atoms In Motion, Student Ed. at Free against Clock Challenge's $0.99. Atoms In Motion, Student Ed. also leads on iOS requirement (9.0 vs 14.2). Clock Challenge's advantage is in-app purchases (none vs 1) and update cadence (every 15 months vs every 62 months). On ads there is nothing between them.

Atoms In Motion, Student Ed. is free to download; Clock Challenge costs $0.99 up front. Atoms In Motion, Student Ed. sells 1 one-off in-app purchase. Clock Challenge asks for nothing beyond the download.

Atoms In Motion, Student Ed. ships an update every 62 months, Clock Challenge every 15 months. Both last shipped on November 1, 2026.

## The numbers

| Metric | Atoms In Motion, Student Ed. | Clock Challenge |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.2 (13 ratings)](https://appshunter.io/ios/app/atoms-in-motion-student-ed/id549739997/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 62 months | **Every 15 months** |
| Monetization | Free with in-app purchases | — |
| Size | 11 MB | 59 MB |
| Requires iOS | **9.0** | 14.2 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Atoms In Motion](https://appshunter.io/developer/488524268) | [Jariya Tuantranont](https://appshunter.io/developer/404509814) |

## What reviewers say

### Atoms In Motion, Student Ed.

[App page](https://appshunter.io/ios/app/atoms-in-motion-student-ed/id549739997)

Explore the fundamental nature of matter through an interactive atomic simulation. Control atoms, manipulate temperature, and discover states of matter. This student edition is ideal for learning chemistry and physics principles.

**Highlights:** Interactive atomistic simulation, Molecular Dynamics (MD) algorithms, Control temperature and states of matter, Perform physics experiments, Save and organize experiments, Limited to 100 neon atoms

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Atoms In Motion Full Version | $2.99 | one-time |


### Clock Challenge

[App page](https://appshunter.io/ios/app/clock-challenge/id597084739)

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

**In-app purchases:** none


## Frequently asked questions

### Is Atoms In Motion, Student Ed. free?

Atoms In Motion, Student Ed. is free to download, with in-app purchases available.

### Is Clock Challenge free?

Clock Challenge costs $0.99, with no in-app purchases.

### Do Atoms In Motion, Student Ed. or Clock Challenge have ads?

Neither Atoms In Motion, Student Ed. nor Clock Challenge shows ads.

### Which is updated more often, Atoms In Motion, Student Ed. or Clock Challenge?

Atoms In Motion, Student Ed. ships an update every 62 months, and Clock Challenge every 15 months. Most recently, Atoms In Motion, Student Ed. was updated on November 1, 2026 and Clock Challenge on November 1, 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.*