# Radioactivity vs CloudLabs Cobalt Cloride Synth

The clearest difference is price: CloudLabs Cobalt Cloride Synth at Free against Radioactivity's $0.99. CloudLabs Cobalt Cloride Synth also leads on device support (3 vs 1) and iOS requirement (9.0 vs 12.0). On update cadence, ads and in-app purchases there is nothing between them.

CloudLabs Cobalt Cloride Synth 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 Cobalt Cloride Synth every 28 months. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Radioactivity | CloudLabs Cobalt Cloride Synth |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 36 months | **Every 28 months** |
| Size | 52 MB | 79 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| 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 Cobalt Cloride Synth

[App page](https://appshunter.io/ios/app/cloudlabs-cobalt-cloride-synth/id1596510236)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Radioactivity free?

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

### Is CloudLabs Cobalt Cloride Synth free?

CloudLabs Cobalt Cloride Synth is free to download, with no in-app purchases.

### Do Radioactivity or CloudLabs Cobalt Cloride Synth have ads?

Neither Radioactivity nor CloudLabs Cobalt Cloride Synth shows ads.

### Which is updated more often, Radioactivity or CloudLabs Cobalt Cloride Synth?

Radioactivity ships an update every 36 months, and CloudLabs Cobalt Cloride Synth every 28 months. Most recently, Radioactivity was updated on October 26, 2026 and CloudLabs Cobalt Cloride Synth on October 27, 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.*