# 钢筋大师 vs 慧筑云

The clearest difference is in-app purchases: 慧筑云 at none against 钢筋大师's 2. 慧筑云 also leads on update cadence (monthly vs every 4 months). 钢筋大师's advantage is iOS requirement (9.0 vs 13.0). On price, ads and device support there is nothing between them.

Both are free to download. 钢筋大师 sells 2 one-off in-app purchases. 慧筑云 asks for nothing beyond the download.

钢筋大师 ships an update every 4 months, 慧筑云 monthly. The most recent releases landed on November 4, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | 钢筋大师 | 慧筑云 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Size | 153 MB | 93 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [颖达 陈](https://appshunter.io/developer/1058507663) | [沈阳慧筑云科技有限公司](https://appshunter.io/developer/1509649932) |

## What reviewers say

### 钢筋大师

[App page](https://appshunter.io/ios/app/id1312900623)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 高级功能购买 | $3.99 | one-time |
| 解锁全版本 | $5.99 | one-time |


### 慧筑云

[App page](https://appshunter.io/ios/app/id1509649933)

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

**In-app purchases:** none


## Frequently asked questions

### Is 钢筋大师 free?

钢筋大师 is free to download, with in-app purchases available.

### Is 慧筑云 free?

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

### Do 钢筋大师 or 慧筑云 have ads?

Neither 钢筋大师 nor 慧筑云 shows ads.

### Which is updated more often, 钢筋大师 or 慧筑云?

钢筋大师 ships an update every 4 months, and 慧筑云 monthly. Most recently, 钢筋大师 was updated on November 4, 2026 and 慧筑云 on October 29, 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.*