# 云筑集采 vs 三局商链通

The clearest difference is iOS requirement: 三局商链通 at 12.4 against 云筑集采's 15.1. On price, update cadence, ads 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.

Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on September 14, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | 云筑集采 | 三局商链通 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Size | 175 MB | 84 MB |
| Requires iOS | 15.1 | **12.4** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [China State Construction E-Commerce Co.,Ltd](https://appshunter.io/developer/1123904073) | [中建三局云采供应链有限公司](https://appshunter.io/developer/1627379887) |

## What reviewers say

### 云筑集采

[App page](https://appshunter.io/ios/app/id1488054864)

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

**In-app purchases:** none


### 三局商链通

[App page](https://appshunter.io/ios/app/id6449460063)

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

**In-app purchases:** none


## Frequently asked questions

### Is 云筑集采 free?

云筑集采 is free to download, with no in-app purchases.

### Is 三局商链通 free?

三局商链通 is free to download, with no in-app purchases.

### Do 云筑集采 or 三局商链通 have ads?

Neither 云筑集采 nor 三局商链通 shows ads.

### Which is updated more often, 云筑集采 or 三局商链通?

云筑集采 ships an update every 6 weeks, and 三局商链通 every 6 weeks. Most recently, 云筑集采 was updated on September 14, 2026 and 三局商链通 on September 24, 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.*