# 天球模擬器 vs PALE space

The clearest difference is update cadence: 天球模擬器 at every 3 days against PALE space's every 6 weeks. 天球模擬器 also leads on iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

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

天球模擬器 ships an update every 3 days, PALE space every 6 weeks. The most recent releases landed on October 16, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | 天球模擬器 | PALE space |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 6 weeks |
| Size | 19 MB | 40 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Han-Chiang Chou](https://appshunter.io/developer/1883578938) | [Zakaria Bachi](https://appshunter.io/developer/6781040565) |

## What reviewers say

### 天球模擬器

[App page](https://appshunter.io/ios/app/id6760458030)

**Features:** macOS Compatibility

**In-app purchases:** none


### PALE space

[App page](https://appshunter.io/ios/app/pale-space/id6781040563)

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

**In-app purchases:** none


## Frequently asked questions

### Is 天球模擬器 free?

天球模擬器 is free to download, with no in-app purchases.

### Is PALE space free?

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

### Do 天球模擬器 or PALE space have ads?

Neither 天球模擬器 nor PALE space shows ads.

### Which is updated more often, 天球模擬器 or PALE space?

天球模擬器 ships an update every 3 days, and PALE space every 6 weeks. Most recently, 天球模擬器 was updated on October 16, 2026 and PALE space on October 13, 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.*