# Length Converter vs MarkX Image Meter Markup Ruler

The clearest difference is in-app purchases: MarkX Image Meter Markup Ruler at none against Length Converter's 2. MarkX Image Meter Markup Ruler also leads on ads (none vs shown) and update cadence (weekly vs every 10 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Length Converter sells 2 in-app purchases, starting at $4.99 per month. MarkX Image Meter Markup Ruler asks for nothing beyond the download.

Length Converter ships an update every 10 months, MarkX Image Meter Markup Ruler weekly. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Length Converter | 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 | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 10 months | **Weekly** |
| Monetization | — | Free |
| Size | 28 MB | 20 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [kota tada](https://appshunter.io/developer/1658942612) | [Space-Time Transformation Technology Co., Ltd.](https://appshunter.io/developer/1296151491) |

## What reviewers say

### Length Converter

[App page](https://appshunter.io/ios/app/length-converter-lencon/id6743503521)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-free for 1 month | $4.99 | per month |
| Ad-free for 1 year | $49.99 | per year |


### 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 Length Converter free?

Length Converter is free to download, with in-app purchases available.

### Is MarkX Image Meter Markup Ruler free?

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

### Do Length Converter or MarkX Image Meter Markup Ruler have ads?

Length Converter shows ads; MarkX Image Meter Markup Ruler does not.

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

Length Converter ships an update every 10 months, and MarkX Image Meter Markup Ruler weekly. Most recently, Length Converter was updated on October 28, 2026 and MarkX Image Meter Markup Ruler on October 31, 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.*