# Radiation Runner vs The Brain Split

The clearest difference is update cadence: The Brain Split at every 4 days against Radiation Runner's every 2 weeks. Radiation Runner's advantage is iOS requirement (12.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

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

Radiation Runner ships an update every 2 weeks, The Brain Split every 4 days. The most recent releases landed on October 8, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Radiation Runner | The Brain Split |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (309 ratings)](https://appshunter.io/ios/app/radiation-runner/id1489312318/reviews)** | — |
| Number of ratings | **309** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Monetization | Free | — |
| Size | 152 MB | 1 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Little Star Games Oy](https://appshunter.io/developer/1495212047) | [Suleyman Dibirov](https://appshunter.io/developer/1041879145) |

## What reviewers say

### Radiation Runner

[App page](https://appshunter.io/ios/app/radiation-runner/id1489312318)

Navigate a quantum universe by shrinking smaller and smaller, blasting through atomic environments. Master physics-bending gameplay with simple one-tap controls and an arsenal of futuristic weapons. The fate of the world depends on your ability to survive high radiation levels.

**Highlights:** Physics-bending gameplay, One-tap controls, Shrink mechanics, Atomic environments, Laser guns and plasma blasters, Addictive gameplay

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

**In-app purchases:** none


### The Brain Split

[App page](https://appshunter.io/ios/app/the-brain-split/id6755656252)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Radiation Runner free?

Radiation Runner is free to download, with no in-app purchases.

### Is The Brain Split free?

The Brain Split is free to download, with no in-app purchases.

### Do Radiation Runner or The Brain Split have ads?

Neither Radiation Runner nor The Brain Split shows ads.

### Which is updated more often, Radiation Runner or The Brain Split?

Radiation Runner ships an update every 2 weeks, and The Brain Split every 4 days. Most recently, Radiation Runner was updated on October 8, 2026 and The Brain Split on September 26, 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.*