# Radioactivity vs Cloudlabs Volumetric Titration

The clearest difference is price: Cloudlabs Volumetric Titration at Free against Radioactivity's $0.99. Cloudlabs Volumetric Titration 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 Volumetric Titration 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 Volumetric Titration every 29 months. The most recent releases landed on October 3, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Radioactivity | Cloudlabs Volumetric Titration |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 36 months | **Every 29 months** |
| Size | 52 MB | 86 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 Volumetric Titration

[App page](https://appshunter.io/ios/app/cloudlabs-volumetric-titration/id1596369641)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Radioactivity free?

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

### Is Cloudlabs Volumetric Titration free?

Cloudlabs Volumetric Titration is free to download, with no in-app purchases.

### Do Radioactivity or Cloudlabs Volumetric Titration have ads?

Neither Radioactivity nor Cloudlabs Volumetric Titration shows ads.

### Which is updated more often, Radioactivity or Cloudlabs Volumetric Titration?

Radioactivity ships an update every 36 months, and Cloudlabs Volumetric Titration every 29 months. Most recently, Radioactivity was updated on October 3, 2026 and Cloudlabs Volumetric Titration on October 17, 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.*