# 防伪验证 vs ProofLink

The clearest difference is update cadence: ProofLink at every 5 days against 防伪验证's every 12 months. 防伪验证's advantage is iOS requirement (11.0 vs 15). 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.

防伪验证 ships an update every 12 months, ProofLink every 5 days. The most recent releases landed on September 8, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | 防伪验证 | ProofLink |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 5 days** |
| Size | 36 MB | 41 MB |
| Requires iOS | **11.0** | 15 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai NanoJClean Technology Co., Ltd.](https://appshunter.io/developer/1306451321) | [Mashang Traceability (Shanghai) Technology Co., Ltd.](https://appshunter.io/developer/1825050994) |

## What reviewers say

### 防伪验证

[App page](https://appshunter.io/ios/app/id1609369603)

**Features:** macOS Compatibility

**In-app purchases:** none


### ProofLink

[App page](https://appshunter.io/ios/app/prooflink/id6748296486)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 防伪验证 free?

防伪验证 is free to download, with no in-app purchases.

### Is ProofLink free?

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

### Do 防伪验证 or ProofLink have ads?

Neither 防伪验证 nor ProofLink shows ads.

### Which is updated more often, 防伪验证 or ProofLink?

防伪验证 ships an update every 12 months, and ProofLink every 5 days. Most recently, 防伪验证 was updated on September 8, 2026 and ProofLink on September 19, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*