# Epic Ruler vs Screen Ruler

The clearest difference is review sentiment: Screen Ruler at 55% against Epic Ruler's 0%. Screen Ruler also leads on rating (3.7 vs 1.0) and update cadence (every 3 months vs every 17 months). Epic Ruler's advantage is in-app purchases (none vs 2). On price and ads there is nothing between them.

Both are free to download. Screen Ruler sells 2 one-off in-app purchases. Epic Ruler asks for nothing beyond the download.

Screen Ruler holds the better App Store score, 3.7 against 1.0. That said, the two scores are not equally well evidenced: Screen Ruler has 24 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 0% of Epic Ruler's written reviews are positive against 55% of Screen Ruler's.

Epic Ruler ships an update every 17 months, Screen Ruler every 3 months. The most recent releases landed on October 2, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Epic Ruler | Screen Ruler |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (4 ratings)](https://appshunter.io/ios/app/epic-ruler/id982728131/reviews) | **[3.7 (24 ratings)](https://appshunter.io/ios/app/screen-ruler-measure-length/id1174757735/reviews)** |
| Number of ratings | 4 | **24** |
| Positive reviews | 0.0% of reviews | **54.8% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 17 months | **Every 3 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 11 MB | 18 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | +4 |
| Developer | [Chih-Hao Chen](https://appshunter.io/developer/618207820) | [向阳 杨](https://appshunter.io/developer/1174757734) |

## What reviewers say

### Epic Ruler

[App page](https://appshunter.io/ios/app/epic-ruler/id982728131)

Transform your smartphone into a portable measuring tool. Accurately measure lengths in both inches and centimeters directly from your device.

**Highlights:** Converts phone to ruler, Measures in inches, Measures in centimeters, Pocket-sized utility

**Features:** macOS Compatibility

**In-app purchases:** none


### Screen Ruler

[App page](https://appshunter.io/ios/app/screen-ruler-measure-length/id1174757735)

Turn your iPhone or iPad into a precise measuring tool. Easily measure lengths in centimeters or inches with features like magnifier mode and haptic feedback. Ideal for daily tasks, office use, DIY projects, and on-the-go measurements.

**Highlights:** Dual units (cm/inches), Precision calibration, Magnifier mode, Haptic feedback, Clean interface, Save and label measurements

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ads-free experience | $1.99 | one-time |
| Support for a cup of coffee | $2.99 | one-time |


## Frequently asked questions

### Is Epic Ruler free?

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

### Is Screen Ruler free?

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

### Which has better reviews, Epic Ruler or Screen Ruler?

Screen Ruler is rated higher. Epic Ruler averages 1.0 out of 5 from 4 ratings, while Screen Ruler averages 3.7 from 24 ratings.

### Do Epic Ruler or Screen Ruler have ads?

Both Epic Ruler and Screen Ruler show ads.

### Which is updated more often, Epic Ruler or Screen Ruler?

Epic Ruler ships an update every 17 months, and Screen Ruler every 3 months. Most recently, Epic Ruler was updated on October 2, 2026 and Screen Ruler 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.*