# EMCat vs 阿尔法系统

The clearest difference is update cadence: 阿尔法系统 at every 8 days against EMCat's every 9 months. EMCat's advantage is iOS requirement (9.0 vs 15.5). 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.

EMCat ships an update every 9 months, 阿尔法系统 every 8 days. The most recent releases landed on October 30, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | EMCat | 阿尔法系统 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 8 days** |
| Size | 103 MB | 66 MB |
| Requires iOS | **9.0** | 15.5 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [秋 刘](https://appshunter.io/developer/1456085890) | [深圳市硕赢互动信息技术有限公司](https://appshunter.io/developer/1676430309) |

## What reviewers say

### EMCat

[App page](https://appshunter.io/ios/app/emcat/id1577675459)

**Features:** macOS Compatibility

**In-app purchases:** none


### 阿尔法系统

[App page](https://appshunter.io/ios/app/id6446170604)

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

**In-app purchases:** none


## Frequently asked questions

### Is EMCat free?

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

### Is 阿尔法系统 free?

阿尔法系统 is free to download, with no in-app purchases.

### Do EMCat or 阿尔法系统 have ads?

Neither EMCat nor 阿尔法系统 shows ads.

### Which is updated more often, EMCat or 阿尔法系统?

EMCat ships an update every 9 months, and 阿尔法系统 every 8 days. Most recently, EMCat was updated on October 30, 2026 and 阿尔法系统 on October 27, 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.*