# ProofLink vs 随传：自在互联，随传而至

The clearest difference is update cadence: ProofLink at every 5 days against 随传：自在互联，随传而至's every 2 weeks. 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.

ProofLink ships an update every 5 days, 随传：自在互联，随传而至 every 2 weeks. The most recent releases landed on October 6, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | ProofLink | 随传：自在互联，随传而至 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 weeks |
| Size | 41 MB | 38 MB |
| Requires iOS | 15 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mashang Traceability (Shanghai) Technology Co., Ltd.](https://appshunter.io/developer/1825050994) | [兆祥 李](https://appshunter.io/developer/1473079429) |

## What reviewers say

### ProofLink

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

**Features:** macOS Compatibility

**In-app purchases:** none


### 随传：自在互联，随传而至

[App page](https://appshunter.io/ios/app/id6786990499)

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

**In-app purchases:** none


## Frequently asked questions

### Is ProofLink free?

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

### Is 随传：自在互联，随传而至 free?

随传：自在互联，随传而至 is free to download, with no in-app purchases.

### Do ProofLink or 随传：自在互联，随传而至 have ads?

Neither ProofLink nor 随传：自在互联，随传而至 shows ads.

### Which is updated more often, ProofLink or 随传：自在互联，随传而至?

ProofLink ships an update every 5 days, and 随传：自在互联，随传而至 every 2 weeks. Most recently, ProofLink was updated on October 6, 2026 and 随传：自在互联，随传而至 on October 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.*