# Radioactivity vs Experimentor

The clearest difference is price: Experimentor at Free against Radioactivity's $0.99. Radioactivity's advantage is in-app purchases (none vs 6) and iOS requirement (12.0 vs 18.0).

Experimentor is free to download; Radioactivity costs $0.99 up front. Experimentor sells 6 one-off in-app purchases. Radioactivity asks for nothing beyond the download.

## The numbers

| Metric | Radioactivity | Experimentor |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | — |
| Update frequency | Every 36 months | — |
| Size | 52 MB | 20 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPad** | — |
| Age rating | 4+ | 4+ |
| Developer | [www.ajaxmediatech.com](https://appshunter.io/developer/973768003) | [Feraco media Inc.](https://appshunter.io/developer/497957884) |

## What reviewers say

### Radioactivity

[App page](https://appshunter.io/ios/app/radioactivity-physics/id1136130171)

**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 Radioactivity free?

Radioactivity costs $0.99, 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.*