# Image Ruler vs EG Sunbox

The clearest difference is in-app purchases: EG Sunbox at none against Image Ruler's 7. EG Sunbox also leads on ads (none vs shown). Image Ruler's advantage is update cadence (every 3 weeks vs every 7 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Image Ruler sells 5 one-off in-app purchases. EG Sunbox asks for nothing beyond the download.

Image Ruler ships an update every 3 weeks, EG Sunbox every 7 months. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Image Ruler | EG Sunbox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.6 (45 ratings)](https://appshunter.io/ios/app/image-ruler-measures/id1474481911/reviews)** | — |
| Number of ratings | **45** | — |
| Positive reviews | 17.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 7 months |
| Monetization | Free | — |
| Size | 47 MB | 55 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Martin Schurmann](https://appshunter.io/developer/1469819101) | [Emersongrow Technology Inc](https://appshunter.io/developer/1373669762) |

## What reviewers say

### Image Ruler

[App page](https://appshunter.io/ios/app/image-ruler-measures/id1474481911)

This app allows you to measure objects directly on photos. Simply take a picture, mark a known object for reference, and then draw measurements on other items within the same image. It supports both metric and imperial units and offers intuitive editing tools.

**Highlights:** Measure objects on photos, Use a known object as a reference, Supports metric and imperial units, Intuitive editing interface, Organize photos easily, Zoom for precision

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| imageRulerPro | $0.99 | one-time |
| Small Tip | $0.99 | one-time |
| Medium Tip | $2.99 | one-time |
| Big Tip | $4.99 | one-time |
| Big tip | $4.99 | one-time |


### EG Sunbox

[App page](https://appshunter.io/ios/app/eg-sunbox/id1670641500)

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

**In-app purchases:** none


## Frequently asked questions

### Is Image Ruler free?

Image Ruler is free to download, with in-app purchases available.

### Is EG Sunbox free?

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

### Do Image Ruler or EG Sunbox have ads?

Image Ruler shows ads; EG Sunbox does not.

### Which is updated more often, Image Ruler or EG Sunbox?

Image Ruler ships an update every 3 weeks, and EG Sunbox every 7 months. Most recently, Image Ruler was updated on October 24, 2026 and EG Sunbox on October 9, 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.*