# 智慧工地（劳务） vs Metal Stud Finder · Detector

The clearest difference is in-app purchases: 智慧工地（劳务） at none against Metal Stud Finder · Detector's 4. 智慧工地（劳务） also leads on update cadence (monthly vs every 2 months) and iOS requirement (12.0 vs 16.6). On price, ads and device support there is nothing between them.

Both are free to download. Metal Stud Finder · Detector sells 4 in-app purchases, starting at $0.99 per 7 days. 智慧工地（劳务） asks for nothing beyond the download.

智慧工地（劳务） ships an update monthly, Metal Stud Finder · Detector every 2 months. Both last shipped on October 16, 2026.

## The numbers

| Metric | 智慧工地（劳务） | Metal Stud Finder · Detector |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Size | 111 MB | 16 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [宁夏飞龙海信息技术发展有限公司](https://appshunter.io/developer/1504362347) | [Mikita Dzidzenka](https://appshunter.io/developer/1487175850) |

## What reviewers say

### 智慧工地（劳务）

[App page](https://appshunter.io/ios/app/id6444353209)

**Features:** macOS Compatibility

**In-app purchases:** none


### Metal Stud Finder · Detector

[App page](https://appshunter.io/ios/app/metal-stud-finder-detector/id6744751332)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $0.99 | per 7 days |
| Weekly | $9.99 | per 7 days |
| Annual with 3-Day Trial | $29.99 | per year |
| Annual | $29.99 | per year |


## Frequently asked questions

### Is 智慧工地（劳务） free?

智慧工地（劳务） is free to download, with no in-app purchases.

### Is Metal Stud Finder · Detector free?

Metal Stud Finder · Detector is free to download, with in-app purchases available.

### Do 智慧工地（劳务） or Metal Stud Finder · Detector have ads?

Neither 智慧工地（劳务） nor Metal Stud Finder · Detector shows ads.

### Which is updated more often, 智慧工地（劳务） or Metal Stud Finder · Detector?

智慧工地（劳务） ships an update monthly, and Metal Stud Finder · Detector every 2 months. Most recently, 智慧工地（劳务） was updated on October 16, 2026 and Metal Stud Finder · Detector on October 16, 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.*