# DIY Planet vs Space Crash Simulator

The clearest difference is review sentiment: Space Crash Simulator at 82% against DIY Planet's 0%. Space Crash Simulator also leads on rating (4.5 vs 1.1) and update cadence (every 5 days vs every 5 months). DIY Planet's advantage is in-app purchases (none vs 1) and iOS requirement (12.0 vs 15.0). On price, ads and device support there is nothing between them.

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

Space Crash Simulator holds the better App Store score, 4.5 against 1.1. That said, the two scores are not equally well evidenced: Space Crash Simulator has 690 ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 0% of DIY Planet's written reviews are positive against 82% of Space Crash Simulator's.

DIY Planet ships an update every 5 months, Space Crash Simulator every 5 days. The most recent releases landed on September 29, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | DIY Planet | Space Crash Simulator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.1 (9 ratings)](https://appshunter.io/ios/app/diy-planet/id6444942436/reviews) | **[4.5 (690 ratings)](https://appshunter.io/ios/app/space-crash-simulator/id6742357679/reviews)** |
| Number of ratings | 9 | **690** |
| Positive reviews | 0.0% of reviews | **81.8% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 months | **Every 5 days** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 111 MB | 254 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dawn of Play](https://appshunter.io/developer/393743434) | [WPC](https://appshunter.io/developer/1681830786) |

## What reviewers say

### DIY Planet

[App page](https://appshunter.io/ios/app/diy-planet/id6444942436)

Design and cultivate unique planets with this simulation game. Watch your creations evolve and expand.

**Highlights:** Planet creation, Planet growth simulation, Unique planet designs, Interactive gameplay

**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 |
| --- | --- | --- |
| 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


## Frequently asked questions

### Is DIY Planet free?

DIY Planet 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, DIY Planet or Space Crash Simulator?

Space Crash Simulator is rated higher. DIY Planet averages 1.1 out of 5 from 9 ratings, while Space Crash Simulator averages 4.5 from 690 ratings.

### Do DIY Planet or Space Crash Simulator have ads?

Both DIY Planet and Space Crash Simulator show ads.

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

DIY Planet ships an update every 5 months, and Space Crash Simulator every 5 days. Most recently, DIY Planet was updated on September 29, 2026 and Space Crash Simulator on October 20, 2026.

---

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