# 智臻链合同 vs STMLink

The clearest difference is update cadence: 智臻链合同 at every 2 months against STMLink's every 8 months. 智臻链合同 also leads on device support and iOS requirement (9.0 vs 13.0). On price and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

智臻链合同 ships an update every 2 months, STMLink every 8 months. The most recent releases landed on October 3, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | 智臻链合同 | STMLink |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | **Every 2 months** | Every 8 months |
| Size | 34 MB | 77 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [JD iCity (Nanjing) Technology Co.,Ltd.](https://appshunter.io/developer/1450503877) | [Hangzhou Freewind Technology Co., Ltd.](https://appshunter.io/developer/964505043) |

## What reviewers say

### 智臻链合同

[App page](https://appshunter.io/ios/app/id1504415554)

**Features:** macOS Compatibility

**In-app purchases:** none


### STMLink

[App page](https://appshunter.io/ios/app/stmlink/id6566185311)

**In-app purchases:** none


## Frequently asked questions

### Is 智臻链合同 free?

智臻链合同 is free to download, with no in-app purchases.

### Is STMLink free?

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

### Which is updated more often, 智臻链合同 or STMLink?

智臻链合同 ships an update every 2 months, and STMLink every 8 months. Most recently, 智臻链合同 was updated on October 3, 2026 and STMLink on September 30, 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.*