# 宇宙探索大揭秘 vs Solar Explorer 3D

The clearest difference is in-app purchases: 宇宙探索大揭秘 at none against Solar Explorer 3D's 1. 宇宙探索大揭秘 also leads on iOS requirement (9.0 vs 16.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Solar Explorer 3D sells 1 one-off in-app purchase. 宇宙探索大揭秘 asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 8, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | 宇宙探索大揭秘 | Solar Explorer 3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (26 ratings)](https://appshunter.io/ios/app/solar-explorer-3d/id6752232739/reviews)** |
| Number of ratings | — | **26** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | — | Free |
| Size | 859 MB | 838 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Chang Chun Cinergie Cultural Industry Co., Ltd.](https://appshunter.io/developer/1145776580) | [Shenzhen Qizhuan Technology Co., Ltd.](https://appshunter.io/developer/1838373818) |

## What reviewers say

### 宇宙探索大揭秘

[App page](https://appshunter.io/ios/app/id1447576900)

**Features:** macOS Compatibility

**In-app purchases:** none


### Solar Explorer 3D

[App page](https://appshunter.io/ios/app/solar-explorer-3d/id6752232739)

Explore the solar system with a realistic 3D simulation. Discover celestial bodies, spacecraft, and surface features with detailed models and orbital mechanics. Compare sizes, replay missions, and view the universe from different perspectives.

**Highlights:** Realistic 3D solar system simulation, Detailed celestial body and spacecraft models, Size comparison of planets and moons, Surface feature exploration, Mission replay functionality, Time acceleration and reversal

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Edition | $3.99 | one-time |


## Frequently asked questions

### Is 宇宙探索大揭秘 free?

宇宙探索大揭秘 is free to download, with no in-app purchases.

### Is Solar Explorer 3D free?

Solar Explorer 3D is free to download, with in-app purchases available.

### Do 宇宙探索大揭秘 or Solar Explorer 3D have ads?

Neither 宇宙探索大揭秘 nor Solar Explorer 3D shows ads.

### Which is updated more often, 宇宙探索大揭秘 or Solar Explorer 3D?

宇宙探索大揭秘 ships an update every 3 weeks, and Solar Explorer 3D every 3 weeks. Most recently, 宇宙探索大揭秘 was updated on September 8, 2026 and Solar Explorer 3D on November 5, 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.*