# 星河X vs 空宇

The clearest difference is iOS requirement: 空宇 at 15.6 against 星河X's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

星河X ships an update every 2 months, 空宇 every 3 months. The most recent releases landed on October 25, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | 星河X | 空宇 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Size | 202 MB | 164 MB |
| Requires iOS | 18.0 | **15.6** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [北京星河在线科技有限公司](https://appshunter.io/developer/1651378099) | [南京拓尊信息科技有限公司](https://appshunter.io/developer/1887808075) |

## What reviewers say

### 星河X

[App page](https://appshunter.io/ios/app/x/id6444003907)

**Features:** macOS Compatibility

**In-app purchases:** none


### 空宇

[App page](https://appshunter.io/ios/app/id6761104873)

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

**In-app purchases:** none


## Frequently asked questions

### Is 星河X free?

星河X is free to download, with no in-app purchases.

### Is 空宇 free?

空宇 is free to download, with no in-app purchases.

### Do 星河X or 空宇 have ads?

Neither 星河X nor 空宇 shows ads.

### Which is updated more often, 星河X or 空宇?

星河X ships an update every 2 months, and 空宇 every 3 months. Most recently, 星河X was updated on October 25, 2026 and 空宇 on October 18, 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.*