# 垒知翼 vs MarkX Image Meter Markup Ruler

The clearest difference is update cadence: MarkX Image Meter Markup Ruler at weekly against 垒知翼's every 3 weeks. 垒知翼's advantage is iOS requirement (12.4 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

垒知翼 ships an update every 3 weeks, MarkX Image Meter Markup Ruler weekly. The most recent releases landed on September 20, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | 垒知翼 | MarkX Image Meter Markup Ruler |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/markx-image-meter-markup-ruler/id6758926739/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | — | Free |
| Size | 39 MB | 16 MB |
| Requires iOS | **12.4** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [垒知(成都)科技研究院有限公司](https://appshunter.io/developer/1728008796) | [Space-Time Transformation Technology Co., Ltd.](https://appshunter.io/developer/1296151491) |

## What reviewers say

### 垒知翼

[App page](https://appshunter.io/ios/app/id6499310658)

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

**In-app purchases:** none


### MarkX Image Meter Markup Ruler

[App page](https://appshunter.io/ios/app/markx-image-meter-markup-ruler/id6758926739)

This tool allows professionals to add precise markings, measurements, and annotations to images. It supports various drawing tools, units, and layer management for detailed visual documentation and communication.

**Highlights:** Line segment annotation with length display, Rectangle, circle, and arrow pointers, Angle and freehand measurement, Text labels with multiple styles, Layer management and undo/redo, Multiple unit support (metric & imperial), Mosaic tool for privacy

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

**In-app purchases:** none


## Frequently asked questions

### Is 垒知翼 free?

垒知翼 is free to download, with no in-app purchases.

### Is MarkX Image Meter Markup Ruler free?

MarkX Image Meter Markup Ruler is free to download, with no in-app purchases.

### Do 垒知翼 or MarkX Image Meter Markup Ruler have ads?

Neither 垒知翼 nor MarkX Image Meter Markup Ruler shows ads.

### Which is updated more often, 垒知翼 or MarkX Image Meter Markup Ruler?

垒知翼 ships an update every 3 weeks, and MarkX Image Meter Markup Ruler weekly. Most recently, 垒知翼 was updated on September 20, 2026 and MarkX Image Meter Markup Ruler on September 29, 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.*