# zTrust vs Zerofast

The clearest difference is in-app purchases: zTrust at none against Zerofast's 4. zTrust also leads on device support and iOS requirement (10.0 vs 15.0). On price there is nothing between them.

Both are free to download. Zerofast sells 4 one-off in-app purchases. zTrust asks for nothing beyond the download.

## The numbers

| Metric | zTrust | Zerofast |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | — |
| Update frequency | Every 6 weeks | — |
| Size | 18 MB | 31 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Beijing Zhizhangyi Inc.](https://appshunter.io/developer/1149823074) | [Shanghai Yangyun Network Technology Co., Ltd.](https://appshunter.io/developer/1641732430) |

## What reviewers say

### zTrust

[App page](https://appshunter.io/ios/app/ztrust/id1592500232)

**Features:** macOS Compatibility

**In-app purchases:** none


### Zerofast

[App page](https://appshunter.io/ios/app/zerofast/id1641732428)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1天会员 | $0.99 | one-time |
| 30天会员 | $8.99 | one-time |
| 90天会员 | $22.99 | one-time |
| 180天会员 | $46.99 | one-time |


## Frequently asked questions

### Is zTrust free?

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

### Is Zerofast free?

Zerofast is free to download, with in-app purchases available.

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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.*