# Radioactivity vs RadPro Academy

The clearest difference is price: RadPro Academy at Free against Radioactivity's $0.99. RadPro Academy also leads on update cadence (fortnightly vs every 36 months). Radioactivity's advantage is iOS requirement (12.0 vs 16.6). On ads, in-app purchases and device support there is nothing between them.

RadPro Academy is free to download; Radioactivity costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Radioactivity ships an update every 36 months, RadPro Academy fortnightly. The most recent releases landed on October 3, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Radioactivity | RadPro Academy |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 36 months | **Fortnightly** |
| Size | 52 MB | 49 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [www.ajaxmediatech.com](https://appshunter.io/developer/973768003) | [Laura Laskorski](https://appshunter.io/developer/1742095710) |

## What reviewers say

### Radioactivity

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

**Features:** macOS Compatibility

**In-app purchases:** none


### RadPro Academy

[App page](https://appshunter.io/ios/app/radpro-academy/id6480236133)

**In-app purchases:** none


## Frequently asked questions

### Is Radioactivity free?

Radioactivity costs $0.99, with no in-app purchases.

### Is RadPro Academy free?

RadPro Academy is free to download, with no in-app purchases.

### Do Radioactivity or RadPro Academy have ads?

Neither Radioactivity nor RadPro Academy shows ads.

### Which is updated more often, Radioactivity or RadPro Academy?

Radioactivity ships an update every 36 months, and RadPro Academy fortnightly. Most recently, Radioactivity was updated on October 3, 2026 and RadPro Academy on September 29, 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.*