# Radioactive Decay Simulator vs CloudLabs Linear Motion

Radioactive Decay Simulator and CloudLabs Linear Motion are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Radioactive Decay Simulator ships an update every 17 months, CloudLabs Linear Motion every 20 months. The most recent releases landed on June 5, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Radioactive Decay Simulator | CloudLabs Linear Motion |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/radioactive-decay-simulator/id959357000/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 17 months** | Every 20 months |
| Monetization | Free | — |
| Size | 20 MB | 69 MB |
| Requires iOS | 9.3 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Alistair Shaw](https://appshunter.io/developer/959356999) | [Jiovany Orozco](https://appshunter.io/developer/1114670847) |

## What reviewers say

### Radioactive Decay Simulator

[App page](https://appshunter.io/ios/app/radioactive-decay-simulator/id959357000)

This educational tool simulates radioactive decay for a group of atoms. Users can choose preset atoms or input custom half-lives to observe decay in real-time graphs. The simulator allows for adjustments in atom count and speed for efficient analysis.

**Highlights:** Emulates radioactive decay, Select preset or custom atoms, Adjust atom count, Real-time decay graphs, Adjustable simulation speed

**Features:** macOS Compatibility

**In-app purchases:** none


### CloudLabs Linear Motion

[App page](https://appshunter.io/ios/app/cloudlabs-linear-motion-rum/id1633089358)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Radioactive Decay Simulator free?

Radioactive Decay Simulator is free to download, with no in-app purchases.

### Is CloudLabs Linear Motion free?

CloudLabs Linear Motion is free to download, with no in-app purchases.

### Do Radioactive Decay Simulator or CloudLabs Linear Motion have ads?

Neither Radioactive Decay Simulator nor CloudLabs Linear Motion shows ads.

### Which is updated more often, Radioactive Decay Simulator or CloudLabs Linear Motion?

Radioactive Decay Simulator ships an update every 17 months, and CloudLabs Linear Motion every 20 months. Most recently, Radioactive Decay Simulator was updated on June 5, 2026 and CloudLabs Linear Motion on September 10, 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.*