# Radioactivity vs Chemistry lab pro

The clearest difference is price: Radioactivity at $0.99 against Chemistry lab pro's $2.99. Chemistry lab pro's advantage is device support (3 vs 1). On update cadence, ads, in-app purchases and iOS requirement there is nothing between them.

Radioactivity costs $0.99 and Chemistry lab pro $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Radioactivity ships an update every 36 months, Chemistry lab pro every 21 months. The most recent releases landed on October 3, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Radioactivity | Chemistry lab pro |
| --- | --- | --- |
| Price | **$0.99** | $2.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 36 months | **Every 21 months** |
| Size | 52 MB | 21 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [www.ajaxmediatech.com](https://appshunter.io/developer/973768003) | [Anas Abubakar](https://appshunter.io/developer/1581534101) |

## What reviewers say

### Radioactivity

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Chemistry lab pro

[App page](https://appshunter.io/ios/app/chemistry-lab-pro/id1622793028)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Radioactivity free?

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

### Is Chemistry lab pro free?

Chemistry lab pro costs $2.99, with no in-app purchases.

### Do Radioactivity or Chemistry lab pro have ads?

Neither Radioactivity nor Chemistry lab pro shows ads.

### Which is updated more often, Radioactivity or Chemistry lab pro?

Radioactivity ships an update every 36 months, and Chemistry lab pro every 21 months. Most recently, Radioactivity was updated on October 3, 2026 and Chemistry lab pro on October 22, 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.*