# Space Crash Simulator vs Aphelion

The clearest difference is rating: Aphelion at 4.9 against Space Crash Simulator's 4.5. Aphelion also leads on review sentiment (100% vs 81%) and update cadence (every 2 days vs every 5 days). Space Crash Simulator's advantage is ratings volume (723 vs 17). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Space Crash Simulator sells 1 one-off in-app purchase and Aphelion sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Aphelion holds the better App Store score, 4.9 against 4.5. That said, the two scores are not equally well evidenced: Space Crash Simulator has 723 ratings behind it against 17, so its average is the more settled of the two. Written reviews point the same way: 81% of Space Crash Simulator's written reviews are positive against 100% of Aphelion's.

Space Crash Simulator ships an update every 5 days, Aphelion every 2 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Space Crash Simulator | Aphelion |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (723 ratings)](https://appshunter.io/ios/app/space-crash-simulator/id6742357679/reviews) | **[4.9 (17 ratings)](https://appshunter.io/ios/app/aphelion-gravity-puzzles/id6783244546/reviews)** |
| Number of ratings | **723** | 17 |
| Positive reviews | 81.2% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 days | **Every 2 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 254 MB | 29 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [WPC](https://appshunter.io/developer/1681830786) | [JIUSONG GAO](https://appshunter.io/developer/6783244548) |

## What reviewers say

### 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 |
| --- | --- | --- |
| Premium | $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


### Aphelion

[App page](https://appshunter.io/ios/app/aphelion-gravity-puzzles/id6783244546)

Guide a comet through celestial bodies and obstacles using precise flicks. Solve physics-based puzzles across five distinct chapters with over 50 handcrafted levels. Experience a minimalist, timer-free approach to space exploration.

**Highlights:** Flick-based aiming and trajectory control, Gravity-driven orbital mechanics, 50 handcrafted levels across 5 chapters, Minimalist, timer-free gameplay, Steer comets and capture celestial bodies

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Hints | $3.99 | one-time |


## Frequently asked questions

### Is Space Crash Simulator free?

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

### Is Aphelion free?

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

### Which has better reviews, Space Crash Simulator or Aphelion?

Aphelion is rated higher. Space Crash Simulator averages 4.5 out of 5 from 723 ratings, while Aphelion averages 4.9 from 17 ratings.

### Do Space Crash Simulator or Aphelion have ads?

Both Space Crash Simulator and Aphelion show ads.

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

Space Crash Simulator ships an update every 5 days, and Aphelion every 2 days. Most recently, Space Crash Simulator was updated on October 25, 2026 and Aphelion on October 24, 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.*