# SPS vs 衛星雲

The clearest difference is iOS requirement: SPS at 12.0 against 衛星雲's 15.0. 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.

SPS ships an update every 10 months, 衛星雲 every 14 months. The most recent releases landed on October 10, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | SPS | 衛星雲 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 months** | Every 14 months |
| Size | 42 MB | 49 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Hao Sheng Chen](https://appshunter.io/developer/1548936498) | [Chienhui Wu](https://appshunter.io/developer/874328045) |

## What reviewers say

### SPS

[App page](https://appshunter.io/ios/app/sps/id1619942064)

**Features:** macOS Compatibility

**In-app purchases:** none


### 衛星雲

[App page](https://appshunter.io/ios/app/id6514298729)

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

**In-app purchases:** none


## Frequently asked questions

### Is SPS free?

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

### Is 衛星雲 free?

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

### Do SPS or 衛星雲 have ads?

Neither SPS nor 衛星雲 shows ads.

### Which is updated more often, SPS or 衛星雲?

SPS ships an update every 10 months, and 衛星雲 every 14 months. Most recently, SPS was updated on October 10, 2026 and 衛星雲 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.*