# Image Ruler vs Fast Angle

The clearest difference is price: Image Ruler at Free against Fast Angle's $0.99. Image Ruler also leads on update cadence (every 3 weeks vs every 38 months). Fast Angle's advantage is in-app purchases (none vs 7). On ads, device support and iOS requirement there is nothing between them.

Image Ruler is free to download; Fast Angle costs $0.99 up front. Image Ruler sells 5 one-off in-app purchases. Fast Angle asks for nothing beyond the download.

Image Ruler ships an update every 3 weeks, Fast Angle every 38 months. The most recent releases landed on October 4, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Image Ruler | Fast Angle |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[1.5 (44 ratings)](https://appshunter.io/ios/app/image-ruler-measures/id1474481911/reviews)** | — |
| Number of ratings | **44** | — |
| Positive reviews | 17.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 38 months |
| Monetization | Free | — |
| Size | 47 MB | 3 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Martin Schurmann](https://appshunter.io/developer/1469819101) | [Jakub Freisler](https://appshunter.io/developer/1692040337) |

## 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

**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 |


### Fast Angle

[App page](https://appshunter.io/ios/app/fast-angle/id6450143053)

**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 Fast Angle free?

Fast Angle costs $0.99, with no in-app purchases.

### Do Image Ruler or Fast Angle have ads?

Neither Image Ruler nor Fast Angle shows ads.

### Which is updated more often, Image Ruler or Fast Angle?

Image Ruler ships an update every 3 weeks, and Fast Angle every 38 months. Most recently, Image Ruler was updated on October 4, 2026 and Fast Angle on October 7, 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.*