# 鲁班尺 Pro vs 黑湖智造3.0

The clearest difference is price: 黑湖智造3.0 at Free against 鲁班尺 Pro's $19.99. 黑湖智造3.0 also leads on update cadence (monthly vs every 5 months). On review sentiment, ads, in-app purchases and device support there is nothing between them.

黑湖智造3.0 is free to download; 鲁班尺 Pro costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

鲁班尺 Pro ships an update every 5 months, 黑湖智造3.0 monthly. The most recent releases landed on September 13, 2026 and June 5, 2026 respectively.

## The numbers

| Metric | 鲁班尺 Pro | 黑湖智造3.0 |
| --- | --- | --- |
| Price | $19.99 | **Free** |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/30/id1586438744/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Monthly** |
| Monetization | Paid | **Free** |
| Size | 105 MB | 35 MB |
| Requires iOS | 13.0 | **12.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [桐明 陈](https://appshunter.io/developer/1197339496) | [Shanghai Black Lake Technologies Co., Ltd.](https://appshunter.io/developer/1179669485) |

## What reviewers say

### 鲁班尺 Pro

[App page](https://appshunter.io/ios/app/pro/id1375474107)

This app transforms your phone into a professional measuring tool using AR. It helps test property layouts for buying, renting, or renovating, and provides auspicious meanings for measurements. Supports custom and standard ruler lengths, various units, and CAD file viewing.

**Highlights:** AR measurement with auspicious meanings, Customizable ruler lengths, Support for multiple measurement units, CAD file viewing (DWG compatibility), Area measurement (map, walking, driving), Real-time data saving

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

**In-app purchases:** none


### 黑湖智造3.0

[App page](https://appshunter.io/ios/app/30/id1586438744)

This cloud-based platform streamlines manufacturing operations with features for planning, execution, quality, and logistics. It enhances collaboration across factories and supply chains, offering a lightweight and efficient solution for businesses.

**Highlights:** Production planning and execution, Quality inspection management, Warehouse and material management, Equipment data management, SOP management, Sales order management, Electronic document management

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 鲁班尺 Pro free?

鲁班尺 Pro costs $19.99, with no in-app purchases.

### Is 黑湖智造3.0 free?

黑湖智造3.0 is free to download, with no in-app purchases.

### Do 鲁班尺 Pro or 黑湖智造3.0 have ads?

Neither 鲁班尺 Pro nor 黑湖智造3.0 shows ads.

### Which is updated more often, 鲁班尺 Pro or 黑湖智造3.0?

鲁班尺 Pro ships an update every 5 months, and 黑湖智造3.0 monthly. Most recently, 鲁班尺 Pro was updated on September 13, 2026 and 黑湖智造3.0 on June 5, 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.*