# 云筑集采 vs 石化招采

The clearest difference is iOS requirement: 石化招采 at 10.0 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.

云筑集采 ships an update every 6 weeks, 石化招采 every 2 months. The most recent releases landed on October 18, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | 云筑集采 | 石化招采 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Size | 175 MB | 95 MB |
| Requires iOS | 15.1 | **10.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [China State Construction E-Commerce Co.,Ltd](https://appshunter.io/developer/1123904073) | [China Petrochemical Corporation](https://appshunter.io/developer/1404188289) |

## 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


### 石化招采

[App page](https://appshunter.io/ios/app/id6444849755)

**Features:** macOS Compatibility

**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 石化招采 free?

石化招采 is free to download, with no in-app purchases.

### Do 云筑集采 or 石化招采 have ads?

Neither 云筑集采 nor 石化招采 shows ads.

### Which is updated more often, 云筑集采 or 石化招采?

云筑集采 ships an update every 6 weeks, and 石化招采 every 2 months. Most recently, 云筑集采 was updated on October 18, 2026 and 石化招采 on October 3, 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.*