# Screenshot Pixel Measure Tool vs Image Ruler

The clearest difference is rating: Screenshot Pixel Measure Tool at 4.1 against Image Ruler's 1.6. Screenshot Pixel Measure Tool also leads on review sentiment (55% vs 18%) and ads (none vs shown). Image Ruler's advantage is monetization model (free vs free with in-app purchases). On price, ratings volume, update cadence and in-app purchases there is nothing between them.

Both are free to download. Screenshot Pixel Measure Tool sells 4 in-app purchases, starting at $0.99 per month and Image Ruler sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Screenshot Pixel Measure Tool holds the better App Store score, 4.1 against 1.6. Both are backed by a comparable volume of ratings — 29 and 45 respectively. Written reviews point the same way: 55% of Screenshot Pixel Measure Tool's written reviews are positive against 18% of Image Ruler's.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Screenshot Pixel Measure Tool | Image Ruler |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (29 ratings)](https://appshunter.io/ios/app/screenshot-pixel-measure-tool/id1104790987/reviews)** | [1.6 (45 ratings)](https://appshunter.io/ios/app/image-ruler-measures/id1474481911/reviews) |
| Number of ratings | 29 | **45** |
| Positive reviews | **54.5% of reviews** | 17.6% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 35 MB | 47 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [InfoEnum Software Systems](https://appshunter.io/developer/832495044) | [Martin Schurmann](https://appshunter.io/developer/1469819101) |

## What reviewers say

### Screenshot Pixel Measure Tool

[App page](https://appshunter.io/ios/app/screenshot-pixel-measure-tool/id1104790987)

Precisely measure dimensions, angles, and areas on any image. Utilize AI-powered features for automatic scaling, edge detection, and object dimension analysis. Export your annotated measurements as PDF or PNG files.

**Highlights:** Pixel-perfect measurement tools, AI-powered auto-scaling and edge detection, Protractor for angle measurement, Area calculation, Color analysis and extraction, Export annotations as PDF/PNG, Apple Pencil support

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Yearly | $9.99 | per year |
| Yearly Special | $29.99 | per year |
| Lifetime | $49.99 | one-time |


### 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 |


## Frequently asked questions

### Is Screenshot Pixel Measure Tool free?

Screenshot Pixel Measure Tool is free to download, with in-app purchases available.

### Is Image Ruler free?

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

### Which has better reviews, Screenshot Pixel Measure Tool or Image Ruler?

Screenshot Pixel Measure Tool is rated higher. Screenshot Pixel Measure Tool averages 4.1 out of 5 from 29 ratings, while Image Ruler averages 1.6 from 45 ratings.

### Do Screenshot Pixel Measure Tool or Image Ruler have ads?

Image Ruler shows ads; Screenshot Pixel Measure Tool does not.

### Which is updated more often, Screenshot Pixel Measure Tool or Image Ruler?

Screenshot Pixel Measure Tool ships an update every 3 weeks, and Image Ruler every 3 weeks. Most recently, Screenshot Pixel Measure Tool was updated on November 2, 2026 and Image Ruler 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.*