# 紫光西数 vs 紫鸾

The clearest difference is update cadence: 紫鸾 at monthly against 紫光西数's every 3 months. 紫光西数's advantage is iOS requirement (9.0 vs 13.0). 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.

紫光西数 ships an update every 3 months, 紫鸾 monthly. The most recent releases landed on October 26, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | 紫光西数 | 紫鸾 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Size | 30 MB | 196 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Shanghai JinXiu Network Technology Co.,Ltd](https://appshunter.io/developer/1256948096) | [TSINGHUA UNIUDC CO.,LTD.](https://appshunter.io/developer/1390965092) |

## What reviewers say

### 紫光西数

[App page](https://appshunter.io/ios/app/id1437467400)

**Features:** macOS Compatibility

**In-app purchases:** none


### 紫鸾

[App page](https://appshunter.io/ios/app/id6467690309)

**In-app purchases:** none


## Frequently asked questions

### Is 紫光西数 free?

紫光西数 is free to download, with no in-app purchases.

### Is 紫鸾 free?

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

### Do 紫光西数 or 紫鸾 have ads?

Neither 紫光西数 nor 紫鸾 shows ads.

### Which is updated more often, 紫光西数 or 紫鸾?

紫光西数 ships an update every 3 months, and 紫鸾 monthly. Most recently, 紫光西数 was updated on October 26, 2026 and 紫鸾 on October 8, 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.*