# Radioactive Rabbit vs Quantum

The clearest difference is update cadence: Quantum at every 4 days against Radioactive Rabbit's every 30 months. Radioactive Rabbit's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 17.6). On price, ads and in-app purchases there is nothing between them.

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

Radioactive Rabbit ships an update every 30 months, Quantum every 4 days. The most recent releases landed on October 9, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Radioactive Rabbit | Quantum |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 30 months | **Every 4 days** |
| Size | 29 MB | 1 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [James McNess](https://appshunter.io/developer/423896417) | [Celal Can Sagnak](https://appshunter.io/developer/1865753496) |

## What reviewers say

### Radioactive Rabbit

[App page](https://appshunter.io/ios/app/radioactive-rabbit/id1460773918)

**Features:** macOS Compatibility

**In-app purchases:** none


### Quantum

[App page](https://appshunter.io/ios/app/quantum-cat/id6759192936)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Radioactive Rabbit free?

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

### Is Quantum free?

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

### Do Radioactive Rabbit or Quantum have ads?

Neither Radioactive Rabbit nor Quantum shows ads.

### Which is updated more often, Radioactive Rabbit or Quantum?

Radioactive Rabbit ships an update every 30 months, and Quantum every 4 days. Most recently, Radioactive Rabbit was updated on October 9, 2026 and Quantum on October 4, 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.*