# 钢筋大师 vs AI技术助手

The clearest difference is in-app purchases: AI技术助手 at none against 钢筋大师's 2. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 钢筋大师 sells 2 one-off in-app purchases. AI技术助手 asks for nothing beyond the download.

## The numbers

| Metric | 钢筋大师 | AI技术助手 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Size | 153 MB | 25 MB |
| Requires iOS | 9.0 | 9.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [颖达 陈](https://appshunter.io/developer/1058507663) | [Hangzhou PinMing Software Corporation](https://appshunter.io/developer/988794026) |

## 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 |


### AI技术助手

[App page](https://appshunter.io/ios/app/ai/id6747153242)

**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 AI技术助手 free?

AI技术助手 is free to download, with no in-app purchases.

### Do 钢筋大师 or AI技术助手 have ads?

Neither 钢筋大师 nor AI技术助手 shows ads.

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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.*