# AR鲁班尺 vs MyTan

The clearest difference is monetization model: MyTan at free with in-app purchases against AR鲁班尺's subscription. MyTan also leads on update cadence (fortnightly vs every 4 months). AR鲁班尺's advantage is ratings volume (82 vs 7). On price, rating, review sentiment and ads there is nothing between them.

AR鲁班尺 costs $0.29 and MyTan $0.29 up front. AR鲁班尺 sells 7 in-app purchases, starting at $4.99 per month and MyTan sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.9 for AR鲁班尺 against 4.9 for MyTan. That said, the two scores are not equally well evidenced: AR鲁班尺 has 82 ratings behind it against 7, so its average is the more settled of the two. Written reviews are what separate them: 94% of AR鲁班尺's written reviews are positive against 100% of MyTan's.

AR鲁班尺 ships an update every 4 months, MyTan fortnightly. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | AR鲁班尺 | MyTan |
| --- | --- | --- |
| Price | $0.29 | $0.29 |
| Rating | **[4.9 (82 ratings)](https://appshunter.io/ios/app/ar/id1384164285/reviews)** | [4.9 (7 ratings)](https://appshunter.io/ios/app/mytan-ai-bot/id6456751953/reviews) |
| Number of ratings | **82** | 7 |
| Positive reviews | 93.6% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | Subscription | **Free with in-app purchases** |
| Size | 105 MB | 94 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [桐明 陈](https://appshunter.io/developer/1197339496) | [清远炭炭科技有限公司](https://appshunter.io/developer/1700594127) |

## 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 |


### MyTan

[App page](https://appshunter.io/ios/app/mytan-ai-bot/id6456751953)

This AI-powered assistant helps you answer questions, offers suggestions for learning and work, and provides creative tools like image recognition and AI art generation. It offers a free tier for basic tasks and premium models for enhanced capabilities.

**Highlights:** AI-powered question answering, Personalized suggestions, Image content analysis, AI art generation (DALL-E 3), Real-time internet search, Free and premium models

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Package | $6.00 | one-time |
| Monthly Pro | $8.00 | one-time |
| Intermediate Package | $12.00 | one-time |
| Quarterly Pro | $18.00 | one-time |
| Advanced Package | $18.00 | one-time |
| Annual Pro | $46.00 | one-time |


## Frequently asked questions

### Is AR鲁班尺 free?

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

### Is MyTan free?

MyTan costs $0.29, and also offers in-app purchases.

### Which has better reviews, AR鲁班尺 or MyTan?

AR鲁班尺 is rated higher. AR鲁班尺 averages 4.9 out of 5 from 82 ratings, while MyTan averages 4.9 from 7 ratings.

### Do AR鲁班尺 or MyTan have ads?

Neither AR鲁班尺 nor MyTan shows ads.

### Which is updated more often, AR鲁班尺 or MyTan?

AR鲁班尺 ships an update every 4 months, and MyTan fortnightly. Most recently, AR鲁班尺 was updated on November 6, 2026 and MyTan on November 3, 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.*