# zTrust vs 汽车低碳

The clearest difference is update cadence: 汽车低碳 at every 8 days against zTrust's every 6 weeks. zTrust's advantage is iOS requirement (10.0 vs 12.0). 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.

zTrust ships an update every 6 weeks, 汽车低碳 every 8 days. The most recent releases landed on October 27, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | zTrust | 汽车低碳 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 8 days** |
| Size | 18 MB | 65 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [北京指掌易科技有限公司](https://appshunter.io/developer/1149823074) | [深圳赛通信息科技有限公司](https://appshunter.io/developer/1528895481) |

## What reviewers say

### zTrust

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

**Features:** macOS Compatibility

**In-app purchases:** none


### 汽车低碳

[App page](https://appshunter.io/ios/app/id1643383834)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is zTrust free?

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

### Is 汽车低碳 free?

汽车低碳 is free to download, with no in-app purchases.

### Do zTrust or 汽车低碳 have ads?

Neither zTrust nor 汽车低碳 shows ads.

### Which is updated more often, zTrust or 汽车低碳?

zTrust ships an update every 6 weeks, and 汽车低碳 every 8 days. Most recently, zTrust was updated on October 27, 2026 and 汽车低碳 on October 6, 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.*