# AR鲁班尺 vs 海星智造

The clearest difference is price: 海星智造 at Free against AR鲁班尺's $0.29. 海星智造 also leads on in-app purchases (none vs 7) and update cadence (monthly vs every 4 months). On ads, device support and iOS requirement there is nothing between them.

海星智造 is free to download; AR鲁班尺 costs $0.29 up front. AR鲁班尺 sells 7 in-app purchases, starting at $4.99 per month. 海星智造 asks for nothing beyond the download.

AR鲁班尺 ships an update every 4 months, 海星智造 monthly. The most recent releases landed on September 28, 2026 and September 4, 2026 respectively.

## The numbers

| Metric | AR鲁班尺 | 海星智造 |
| --- | --- | --- |
| Price | $0.29 | **Free** |
| Rating | **[4.9 (82 ratings)](https://appshunter.io/ios/app/ar/id1384164285/reviews)** | — |
| Number of ratings | **82** | — |
| Positive reviews | 93.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | Subscription | — |
| Size | 105 MB | 70 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [桐明 陈](https://appshunter.io/developer/1197339496) | [Shenzhen Jellyfish Information Technology Co.,Ltd](https://appshunter.io/developer/1707309179) |

## What reviewers say

### AR鲁班尺

[App page](https://appshunter.io/ios/app/ar/id1384164285)

This app transforms your phone into a digital measuring tool, ideal for home buying, renting, and renovation. It offers customizable ruler lengths, unit conversions, and the ability to view CAD files and create floor plans. It also includes a feature to measure land area on a map.

**Highlights:** AR measurement with auspicious meanings, Customizable and preset ruler lengths, Multiple measurement units, View and analyze CAD files, Create floor plans, Map-based land area measurement

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月VIP会员 | $4.99 | per month |
| 年VIP会员 | $12.99 | per year |
| 移除广告 | $3.99 | one-time |
| 最长测量长度为2千米 | $4.99 | one-time |
| 46.08厘米尺长 | $4.99 | one-time |
| 50.4厘米尺长 | $4.99 | one-time |
| 解锁所有功能 | $19.99 | one-time |


### 海星智造

[App page](https://appshunter.io/ios/app/id6477150251)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AR鲁班尺 free?

AR鲁班尺 costs $0.29, and also offers in-app purchases.

### Is 海星智造 free?

海星智造 is free to download, with no in-app purchases.

### Do AR鲁班尺 or 海星智造 have ads?

Neither AR鲁班尺 nor 海星智造 shows ads.

### Which is updated more often, AR鲁班尺 or 海星智造?

AR鲁班尺 ships an update every 4 months, and 海星智造 monthly. Most recently, AR鲁班尺 was updated on September 28, 2026 and 海星智造 on September 4, 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.*