# MarkX Image Meter Markup Ruler vs MarkBy

The clearest difference is iOS requirement: MarkX Image Meter Markup Ruler at 15.0 against MarkBy's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

MarkX Image Meter Markup Ruler ships an update weekly, MarkBy every 5 days. The most recent releases landed on October 16, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | MarkX Image Meter Markup Ruler | MarkBy |
| --- | --- | --- |
| 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 | Weekly | **Every 5 days** |
| Monetization | Free | — |
| Size | 16 MB | 76 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Space-Time Transformation Technology Co., Ltd.](https://appshunter.io/developer/1296151491) | [Houma Econimic Development Zone Jianmin Decoration Material Co., Ltd.](https://appshunter.io/developer/1842123085) |

## What reviewers say

### 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


### MarkBy

[App page](https://appshunter.io/ios/app/markby/id6779934955)

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

**In-app purchases:** none


## Frequently asked questions

### Is MarkX Image Meter Markup Ruler free?

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

### Is MarkBy free?

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

### Do MarkX Image Meter Markup Ruler or MarkBy have ads?

Neither MarkX Image Meter Markup Ruler nor MarkBy shows ads.

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

MarkX Image Meter Markup Ruler ships an update weekly, and MarkBy every 5 days. Most recently, MarkX Image Meter Markup Ruler was updated on October 16, 2026 and MarkBy on October 17, 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.*