# 联盟起源 vs 宝宝CT扫描

The clearest difference is price: 联盟起源 at Free against 宝宝CT扫描's $0.99. 联盟起源 also leads on update cadence (daily vs every 4 weeks) and iOS requirement (12.0 vs 18.0). On ads, in-app purchases and device support there is nothing between them.

联盟起源 is free to download; 宝宝CT扫描 costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

联盟起源 ships an update daily, 宝宝CT扫描 every 4 weeks. Both last shipped on October 25, 2026.

## The numbers

| Metric | 联盟起源 | 宝宝CT扫描 |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Every 4 weeks |
| Size | 454 MB | 9 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 9+ |
| Developer | [Daokedao Intelligent Technology Co., Ltd.](https://appshunter.io/developer/1733619650) | [剑 朱](https://appshunter.io/developer/1792150172) |

## What reviewers say

### 联盟起源

[App page](https://appshunter.io/ios/app/id6478655221)

**Features:** macOS Compatibility

**In-app purchases:** none


### 宝宝CT扫描

[App page](https://appshunter.io/ios/app/ct/id6796766625)

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

**In-app purchases:** none


## Frequently asked questions

### Is 联盟起源 free?

联盟起源 is free to download, with no in-app purchases.

### Is 宝宝CT扫描 free?

宝宝CT扫描 costs $0.99, with no in-app purchases.

### Do 联盟起源 or 宝宝CT扫描 have ads?

Neither 联盟起源 nor 宝宝CT扫描 shows ads.

### Which is updated more often, 联盟起源 or 宝宝CT扫描?

联盟起源 ships an update daily, and 宝宝CT扫描 every 4 weeks. Most recently, 联盟起源 was updated on October 25, 2026 and 宝宝CT扫描 on October 25, 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.*