# 挑战灵动岛 vs Solar System Sim

The clearest difference is in-app purchases: 挑战灵动岛 at none against Solar System Sim's 5. 挑战灵动岛 also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.0). Solar System Sim's advantage is rating (4.5 vs 4.0) and ratings volume (4.4K vs 1). On price, review sentiment and device support there is nothing between them.

Both are free to download. Solar System Sim sells 5 one-off in-app purchases. 挑战灵动岛 asks for nothing beyond the download.

Solar System Sim holds the better App Store score, 4.5 against 4.0. That said, the two scores are not equally well evidenced: Solar System Sim has 4.4K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 75% of 挑战灵动岛's written reviews are positive against 81% of Solar System Sim's.

## The numbers

| Metric | 挑战灵动岛 | Solar System Sim |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/id6443522772/reviews) | **[4.5 (4.4K ratings)](https://appshunter.io/ios/app/solar-system-sim/id6447612221/reviews)** |
| Number of ratings | 1 | **4.4K** |
| Positive reviews | 75.0% of reviews | **80.9% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 4 days |
| Monetization | — | Free with in-app purchases |
| Size | 29 MB | 527 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Neobaran Company Limited](https://appshunter.io/developer/1536103536) | [WPC](https://appshunter.io/developer/1681830786) |

## What reviewers say

### 挑战灵动岛

[App page](https://appshunter.io/ios/app/id6443522772)

**Features:** macOS Compatibility

**In-app purchases:** none


### Solar System Sim

[App page](https://appshunter.io/ios/app/solar-system-sim/id6447612221)

Explore the vastness of space, from planet surfaces to distant galaxies. This real-time gravity sandbox allows you to build and reshape entire solar systems using real astronomical data and physics. Experience the scale of the universe and witness cosmic events firsthand.

**Highlights:** Real-time gravity simulation, Build custom solar systems, First-person planet landing, Sculpt particle rings, Witness real eclipses, Explore nearby stars

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HD Mars | $2.99 | one-time |
| HD Earth | $2.99 | one-time |
| HD Moon | $2.99 | one-time |
| No-ads | $3.99 | one-time |
| HD 3-body pack | $6.99 | one-time |

**What reviewers like**

- 🚀 Realistic simulation
- 🚀 Detailed solar system
- 🚀 Ability to create custom solar systems
- 🚀 Impressive graphics
- 🚀 Frequent updates

**What reviewers complain about**

- 🐛 Crashes and glitches
- 🔋 High battery consumption
- 💰 Excessive ads
- 🐛 Saving and loading issues
- 🐛 Unstable orbits

**Reported bugs**

- Planets/moons disappearing after saving and loading
- Bright flashes and screen distortions
- Planets/objects getting stuck inside stars
- Crashes when colliding or editing certain objects
- Inconsistent orbital mechanics and moons ejecting from planets

**Requested features**

- Add more galaxy and nebula textures
- Implement realistic supernova effects
- Allow customization of planet atmospheres and terrain
- Add binary star systems and rogue planets
- Introduce a galaxy maker and collision feature


## Frequently asked questions

### Is 挑战灵动岛 free?

挑战灵动岛 is free to download, with no in-app purchases.

### Is Solar System Sim free?

Solar System Sim is free to download, with in-app purchases available.

### Which has better reviews, 挑战灵动岛 or Solar System Sim?

Solar System Sim is rated higher. 挑战灵动岛 averages 4.0 out of 5 from 1 ratings, while Solar System Sim averages 4.5 from 4.4K ratings.

### Do 挑战灵动岛 or Solar System Sim have ads?

Solar System Sim shows ads; 挑战灵动岛 does not.

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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.*