# Radiation Runner vs Star Leave

The clearest difference is review sentiment: Star Leave at 100% against Radiation Runner's 33%. Star Leave also leads on rating (5.0 vs 4.6) and update cadence (every 3 days vs every 2 weeks). Radiation Runner's advantage is in-app purchases (none vs 2) and ratings volume (309 vs 1). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Star Leave sells 2 one-off in-app purchases. Radiation Runner asks for nothing beyond the download.

Star Leave holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Radiation Runner has 309 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 33% of Radiation Runner's written reviews are positive against 100% of Star Leave's.

Radiation Runner ships an update every 2 weeks, Star Leave every 3 days. The most recent releases landed on October 26, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Radiation Runner | Star Leave |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (309 ratings)](https://appshunter.io/ios/app/radiation-runner/id1489312318/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/star-leave/id6475365878/reviews)** |
| Number of ratings | **309** | 1 |
| Positive reviews | 33.3% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 152 MB | 171 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Little Star Games Oy](https://appshunter.io/developer/1495212047) | [Intactly LLC](https://appshunter.io/developer/1724067985) |

## 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


### Star Leave

[App page](https://appshunter.io/ios/app/star-leave/id6475365878)

Engage in a fast-paced game of luck and strategy. Test your reflexes and decision-making skills against challenging opponents in a vibrant, starry adventure. Enjoy endless replayability with quick swipes and powerful boosts.

**Highlights:** Fast swipe controls, Tracking blasts, Rainbow shield, Epic bombs, Challenge friends, Offline play

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Revive | $0.99 | one-time |
| Add 100 Waves | $0.99 | one-time |


## Frequently asked questions

### Is Radiation Runner free?

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

### Is Star Leave free?

Star Leave is free to download, with in-app purchases available.

### Which has better reviews, Radiation Runner or Star Leave?

Star Leave is rated higher. Radiation Runner averages 4.6 out of 5 from 309 ratings, while Star Leave averages 5.0 from 1 ratings.

### Do Radiation Runner or Star Leave have ads?

Neither Radiation Runner nor Star Leave shows ads.

### Which is updated more often, Radiation Runner or Star Leave?

Radiation Runner ships an update every 2 weeks, and Star Leave every 3 days. Most recently, Radiation Runner was updated on October 26, 2026 and Star Leave 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.*