# Direct_Square_Variation vs Experimentor

The clearest difference is in-app purchases: Direct_Square_Variation at none against Experimentor's 6. Direct_Square_Variation also leads on device support and 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. Direct_Square_Variation asks for nothing beyond the download.

## The numbers

| Metric | Direct_Square_Variation | Experimentor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | — |
| Size | 25 MB | 20 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Science Education Institute](https://appshunter.io/developer/1439710468) | [Feraco media Inc.](https://appshunter.io/developer/497957884) |

## What reviewers say

### Direct_Square_Variation

[App page](https://appshunter.io/ios/app/direct-square-variation/id6742364810)

**Features:** macOS Compatibility

**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 Direct_Square_Variation free?

Direct_Square_Variation 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.*