# CZI Sound vs 云犀助手

The clearest difference is update cadence: CZI Sound at every 8 months against 云犀助手's every 17 months. 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.

CZI Sound ships an update every 8 months, 云犀助手 every 17 months. The most recent releases landed on October 5, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | CZI Sound | 云犀助手 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 8 months** | Every 17 months |
| Size | 64 MB | 27 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Guangzhou Chengzhi Intelligent Machine Technology Co., Ltd.](https://appshunter.io/developer/1675437495) | [HANGZHOU XINGXI TECHNOLOGY CO.,LTD](https://appshunter.io/developer/1691028202) |

## What reviewers say

### CZI Sound

[App page](https://appshunter.io/ios/app/czi-sound/id6446013579)

**Features:** macOS Compatibility

**In-app purchases:** none


### 云犀助手

[App page](https://appshunter.io/ios/app/id6449918637)

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

**In-app purchases:** none


## Frequently asked questions

### Is CZI Sound free?

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

### Is 云犀助手 free?

云犀助手 is free to download, with no in-app purchases.

### Do CZI Sound or 云犀助手 have ads?

Neither CZI Sound nor 云犀助手 shows ads.

### Which is updated more often, CZI Sound or 云犀助手?

CZI Sound ships an update every 8 months, and 云犀助手 every 17 months. Most recently, CZI Sound was updated on October 5, 2026 and 云犀助手 on October 15, 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.*