# 天臣防伪 vs ZHCODE

The clearest difference is update cadence: 天臣防伪 at weekly against ZHCODE's every 2 months. ZHCODE's advantage is iOS requirement (9.3 vs 13.0). 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.

天臣防伪 ships an update weekly, ZHCODE every 2 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | 天臣防伪 | ZHCODE |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Size | 45 MB | 43 MB |
| Requires iOS | 13.0 | **9.3** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Shanghai Techsun Anti-counterfeiting Technology Holding Co., Ltd.](https://appshunter.io/developer/451910700) | [Jutone Electronic Co., Ltd.](https://appshunter.io/developer/1049199715) |

## What reviewers say

### 天臣防伪

[App page](https://appshunter.io/ios/app/id451910697)

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

**In-app purchases:** none


### ZHCODE

[App page](https://appshunter.io/ios/app/zhcode/id1049199717)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 天臣防伪 free?

天臣防伪 is free to download, with no in-app purchases.

### Is ZHCODE free?

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

### Do 天臣防伪 or ZHCODE have ads?

Neither 天臣防伪 nor ZHCODE shows ads.

### Which is updated more often, 天臣防伪 or ZHCODE?

天臣防伪 ships an update weekly, and ZHCODE every 2 months. Most recently, 天臣防伪 was updated on November 1, 2026 and ZHCODE on November 2, 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.*