# 欧卡无人船 vs czi

The clearest difference is iOS requirement: 欧卡无人船 at 12.0 against czi's 16.0. 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.

欧卡无人船 ships an update every 2 months, czi every 4 months. The most recent releases landed on October 25, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | 欧卡无人船 | czi |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Size | 116 MB | 24 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [欧卡智舶](https://appshunter.io/developer/1702133646) | [Guangzhou Chengzhi Intelligent Machine Technology Co., Ltd.](https://appshunter.io/developer/1675437495) |

## What reviewers say

### 欧卡无人船

[App page](https://appshunter.io/ios/app/id6505143693)

**Features:** Vision Pro support

**In-app purchases:** none


### czi

[App page](https://appshunter.io/ios/app/czi/id6657959678)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 欧卡无人船 free?

欧卡无人船 is free to download, with no in-app purchases.

### Is czi free?

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

### Do 欧卡无人船 or czi have ads?

Neither 欧卡无人船 nor czi shows ads.

### Which is updated more often, 欧卡无人船 or czi?

欧卡无人船 ships an update every 2 months, and czi every 4 months. Most recently, 欧卡无人船 was updated on October 25, 2026 and czi 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.*