# AR鲁班尺 vs 画门窗Pro

The clearest difference is price: 画门窗Pro at Free against AR鲁班尺's $0.29. 画门窗Pro also leads on in-app purchases (none vs 7). AR鲁班尺's advantage is update cadence (every 4 months vs every 9 months). On ads, device support and iOS requirement there is nothing between them.

画门窗Pro 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. 画门窗Pro asks for nothing beyond the download.

AR鲁班尺 ships an update every 4 months, 画门窗Pro every 9 months. The most recent releases landed on September 21, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | AR鲁班尺 | 画门窗Pro |
| --- | --- | --- |
| 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** | Every 9 months |
| Monetization | Subscription | — |
| Size | 105 MB | 40 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [桐明 陈](https://appshunter.io/developer/1197339496) | [强 文](https://appshunter.io/developer/674834521) |

## 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 |


### 画门窗Pro

[App page](https://appshunter.io/ios/app/pro/id6446976815)

**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 画门窗Pro free?

画门窗Pro is free to download, with no in-app purchases.

### Do AR鲁班尺 or 画门窗Pro have ads?

Neither AR鲁班尺 nor 画门窗Pro shows ads.

### Which is updated more often, AR鲁班尺 or 画门窗Pro?

AR鲁班尺 ships an update every 4 months, and 画门窗Pro every 9 months. Most recently, AR鲁班尺 was updated on September 21, 2026 and 画门窗Pro on September 15, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*