# Atom Runner vs Space Crash Simulator

The clearest difference is rating: Atom Runner at 5.0 against Space Crash Simulator's 4.5. Atom Runner also leads on in-app purchases (none vs 1) and review sentiment (100% vs 82%). Space Crash Simulator's advantage is ratings volume (608 vs 5). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Space Crash Simulator sells 1 one-off in-app purchase. Atom Runner asks for nothing beyond the download.

Atom Runner holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Space Crash Simulator has 608 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 100% of Atom Runner's written reviews are positive against 82% of Space Crash Simulator's.

Atom Runner ships an update every 4 days, Space Crash Simulator every 5 days. Both last shipped on October 1, 2026.

## The numbers

| Metric | Atom Runner | Space Crash Simulator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/atom-runner-quantum-escape/id1538220660/reviews)** | [4.5 (608 ratings)](https://appshunter.io/ios/app/space-crash-simulator/id6742357679/reviews) |
| Number of ratings | 5 | **608** |
| Positive reviews | **100.0% of reviews** | 82.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 4 days** | Every 5 days |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 112 MB | 254 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [heroRocket() Games LLC](https://appshunter.io/developer/1435200791) | [WPC](https://appshunter.io/developer/1681830786) |

## What reviewers say

### Atom Runner

[App page](https://appshunter.io/ios/app/atom-runner-quantum-escape/id1538220660)

Race through a surreal quantum universe as a sub-atomic hero collecting particles. Utilize double-jump abilities to navigate a 2D side-scrolling landscape and achieve the highest score in this endless runner.

**Highlights:** Infinite runner gameplay, Collect quantum particles, Double-jump ability, 2D side-scroller format, Hyper-realistic graphics, High score challenges

**Features:** macOS Compatibility

**In-app purchases:** none


### Space Crash Simulator

[App page](https://appshunter.io/ios/app/space-crash-simulator/id6742357679)

Experience realistic planetary collisions with a powerful physics engine. Customize your own cosmic events by adjusting particle count, velocity, and accuracy, or jump straight into high-energy impacts. This app offers a detailed, physics-based simulation for educational or entertainment purposes.

**Highlights:** Smoothed Particle Hydrodynamics (SPH) simulation, Real-time planetary collisions, Customizable simulation parameters, Setup Mode for scenario creation, Adjustable particle count and accuracy, Physics-based detailed simulation

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No-Ads | $4.99 | one-time |

**What reviewers like**

- 👍 Great game
- 🚀 Awesome graphics
- 💡 Interesting simulation features
- 🎉 Fun and enjoyable

**What reviewers complain about**

- 🐛 Occasional performance issues
- 💰 Too many ads

**Reported bugs**

- Collision trails not clearing properly
- Protoplanetary disc mode not working as expected

**Requested features**

- Add more celestial objects (black holes, stars, etc.)
- Allow for custom textures and planet/atmosphere customization
- Improve performance and optimization
- Add more graphic options and settings
- Allow for custom rings and moons around planets


## Frequently asked questions

### Is Atom Runner free?

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

### Is Space Crash Simulator free?

Space Crash Simulator is free to download, with in-app purchases available.

### Which has better reviews, Atom Runner or Space Crash Simulator?

Atom Runner is rated higher. Atom Runner averages 5.0 out of 5 from 5 ratings, while Space Crash Simulator averages 4.5 from 608 ratings.

### Do Atom Runner or Space Crash Simulator have ads?

Both Atom Runner and Space Crash Simulator show ads.

### Which is updated more often, Atom Runner or Space Crash Simulator?

Atom Runner ships an update every 4 days, and Space Crash Simulator every 5 days. Most recently, Atom Runner was updated on October 1, 2026 and Space Crash Simulator on October 1, 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.*