# Space Crash Simulator vs Gravity

The clearest difference is update cadence: Space Crash Simulator at every 5 days against Gravity's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

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

Space Crash Simulator ships an update every 5 days, Gravity every 2 months. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Space Crash Simulator | Gravity |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (761 ratings)](https://appshunter.io/ios/app/space-crash-simulator/id6742357679/reviews)** | — |
| Number of ratings | **761** | — |
| Positive reviews | 81.2% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 5 days** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 254 MB | 116 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [WPC](https://appshunter.io/developer/1681830786) | [Quang Thang To](https://appshunter.io/developer/1817626562) |

## 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


### Gravity

[App page](https://appshunter.io/ios/app/gravity-planets-in-universe/id6746643773)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Creative Mode | $2.99 | one-time |


## Frequently asked questions

### Is Space Crash Simulator free?

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

### Is Gravity free?

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

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

Both Space Crash Simulator and Gravity show ads.

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

Space Crash Simulator ships an update every 5 days, and Gravity every 2 months. Most recently, Space Crash Simulator was updated on October 30, 2026 and Gravity on October 28, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*