# Radioactivity vs CloudLabs Free practice

The clearest difference is price: CloudLabs Free practice at Free against Radioactivity's $0.99. CloudLabs Free practice also leads on update cadence (every 10 months vs every 36 months) and device support (3 vs 1). On ads and in-app purchases there is nothing between them.

CloudLabs Free practice 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, CloudLabs Free practice every 10 months. The most recent releases landed on October 3, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Radioactivity | CloudLabs Free practice |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 36 months | **Every 10 months** |
| Size | 52 MB | 69 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [www.ajaxmediatech.com](https://appshunter.io/developer/973768003) | [Jiovany Orozco](https://appshunter.io/developer/1114670847) |

## What reviewers say

### Radioactivity

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

**Features:** macOS Compatibility

**In-app purchases:** none


### CloudLabs Free practice

[App page](https://appshunter.io/ios/app/cloudlabs-free-practice-rum/id1633733491)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Radioactivity free?

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

### Is CloudLabs Free practice free?

CloudLabs Free practice is free to download, with no in-app purchases.

### Do Radioactivity or CloudLabs Free practice have ads?

Neither Radioactivity nor CloudLabs Free practice shows ads.

### Which is updated more often, Radioactivity or CloudLabs Free practice?

Radioactivity ships an update every 36 months, and CloudLabs Free practice every 10 months. Most recently, Radioactivity was updated on October 3, 2026 and CloudLabs Free practice on October 2, 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.*