# Radioactivity vs CloudLabs Nitriles Synthesis

The clearest difference is price: CloudLabs Nitriles Synthesis at Free against Radioactivity's $0.99. CloudLabs Nitriles Synthesis 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 Nitriles Synthesis 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 Nitriles Synthesis every 29 months. The most recent releases landed on September 16, 2026 and May 16, 2026 respectively.

## The numbers

| Metric | Radioactivity | CloudLabs Nitriles Synthesis |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 36 months | **Every 29 months** |
| Size | 52 MB | 74 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 Nitriles Synthesis

[App page](https://appshunter.io/ios/app/cloudlabs-nitriles-synthesis/id1596525842)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Radioactivity free?

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

### Is CloudLabs Nitriles Synthesis free?

CloudLabs Nitriles Synthesis is free to download, with no in-app purchases.

### Do Radioactivity or CloudLabs Nitriles Synthesis have ads?

Neither Radioactivity nor CloudLabs Nitriles Synthesis shows ads.

### Which is updated more often, Radioactivity or CloudLabs Nitriles Synthesis?

Radioactivity ships an update every 36 months, and CloudLabs Nitriles Synthesis every 29 months. Most recently, Radioactivity was updated on September 16, 2026 and CloudLabs Nitriles Synthesis on May 16, 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.*