# CHINA MAP STACK vs Space Crash Simulator

The clearest difference is in-app purchases: CHINA MAP STACK at none against Space Crash Simulator's 1. CHINA MAP STACK also leads on rating (4.8 vs 4.4) and iOS requirement (12.0 vs 15.0). Space Crash Simulator's advantage is update cadence (every 5 days vs every 8 months) and ratings volume (801 vs 5). 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. CHINA MAP STACK asks for nothing beyond the download.

CHINA MAP STACK holds the better App Store score, 4.8 against 4.4. That said, the two scores are not equally well evidenced: Space Crash Simulator has 801 ratings behind it against 5, so its average is the more settled of the two.

CHINA MAP STACK ships an update every 8 months, Space Crash Simulator every 5 days. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | CHINA MAP STACK | Space Crash Simulator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (5 ratings)](https://appshunter.io/ios/app/china-map-stack/id6446427047/reviews)** | [4.4 (801 ratings)](https://appshunter.io/ios/app/space-crash-simulator/id6742357679/reviews) |
| Number of ratings | 5 | **801** |
| Positive reviews | — | 81.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 8 months | **Every 5 days** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 150 MB | 254 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [YUUTA TAKI](https://appshunter.io/developer/1360634665) | [WPC](https://appshunter.io/developer/1681830786) |

## What reviewers say

### CHINA MAP STACK

[App page](https://appshunter.io/ios/app/china-map-stack/id6446427047)

A physics puzzle game where players stack Chinese states, with an option to play with Japanese maps. It features colorful graphics and simple one-finger controls.

**Highlights:** Physics puzzle gameplay, Stack Chinese states, Play with Japanese maps, Colorful states, One-finger control, Free to play

**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 CHINA MAP STACK free?

CHINA MAP STACK 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, CHINA MAP STACK or Space Crash Simulator?

CHINA MAP STACK is rated higher. CHINA MAP STACK averages 4.8 out of 5 from 5 ratings, while Space Crash Simulator averages 4.4 from 801 ratings.

### Do CHINA MAP STACK or Space Crash Simulator have ads?

Both CHINA MAP STACK and Space Crash Simulator show ads.

### Which is updated more often, CHINA MAP STACK or Space Crash Simulator?

CHINA MAP STACK ships an update every 8 months, and Space Crash Simulator every 5 days. Most recently, CHINA MAP STACK was updated on November 3, 2026 and Space Crash Simulator on November 8, 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.*