# Z vs Cemho  hearing aid

The clearest difference is update cadence: Z at every 3 weeks against Cemho  hearing aid's every 2 months. Cemho  hearing aid's advantage is iOS requirement (12.1 vs 15.0). 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.

Z ships an update every 3 weeks, Cemho  hearing aid every 2 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Z | Cemho  hearing aid |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Size | 34 MB | 45 MB |
| Requires iOS | 15.0 | **12.1** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [文 周](https://appshunter.io/developer/1690564319) | [Cemho Medical Technology (Guangdong) Co., Ltd](https://appshunter.io/developer/1643075084) |

## What reviewers say

### Z

[App page](https://appshunter.io/ios/app/z-hearing/id6449798347)

**Features:** macOS Compatibility

**In-app purchases:** none


### Cemho  hearing aid

[App page](https://appshunter.io/ios/app/cemho-hearing-aid/id6470914120)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Z free?

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

### Is Cemho  hearing aid free?

Cemho  hearing aid is free to download, with no in-app purchases.

### Do Z or Cemho  hearing aid have ads?

Neither Z nor Cemho  hearing aid shows ads.

### Which is updated more often, Z or Cemho  hearing aid?

Z ships an update every 3 weeks, and Cemho  hearing aid every 2 months. Most recently, Z was updated on November 3, 2026 and Cemho  hearing aid on November 3, 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.*