# Molecules of Matter vs Experimentor

The clearest difference is in-app purchases: Molecules of Matter at none against Experimentor's 6. Molecules of Matter also leads on iOS requirement (12.0 vs 18.0). On price there is nothing between them.

Both are free to download. Experimentor sells 6 one-off in-app purchases. Molecules of Matter asks for nothing beyond the download.

## The numbers

| Metric | Molecules of Matter | Experimentor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Size | 21 MB | 20 MB |
| Requires iOS | **12.0** | 18.0 |
| Age rating | 4+ | 4+ |
| Developer | [Science Education Institute](https://appshunter.io/developer/1439710468) | [Feraco media Inc.](https://appshunter.io/developer/497957884) |

## What reviewers say

### Molecules of Matter

[App page](https://appshunter.io/ios/app/molecules-of-matter/id6505032823)

**In-app purchases:** none


### Experimentor

[App page](https://appshunter.io/ios/app/experimentor/id6761420708)

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Forces & Motion Lab Pack | $2.99 | one-time |
| Waves & Sound Lab Pack | $2.99 | one-time |
| Earth & Weather Lab Pack | $2.99 | one-time |
| Energy Lab Pack | $2.99 | one-time |
| Magnets & Fields Lab Pack | $2.99 | one-time |
| All Lab Packs | $9.99 | one-time |


## Frequently asked questions

### Is Molecules of Matter free?

Molecules of Matter is free to download, with no in-app purchases.

### Is Experimentor free?

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

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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.*