# Epic Ruler vs Rul3r

The clearest difference is review sentiment: Rul3r at 45% against Epic Ruler's 0%. Rul3r also leads on rating (4.5 vs 1.0) and update cadence (every 2 months vs every 17 months). Epic Ruler's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Rul3r sells 1 one-off in-app purchase. Epic Ruler asks for nothing beyond the download.

Rul3r holds the better App Store score, 4.5 against 1.0. That said, the two scores are not equally well evidenced: Rul3r has 1K 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 45% of Rul3r's.

Epic Ruler ships an update every 17 months, Rul3r every 2 months. The most recent releases landed on August 11, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Epic Ruler | Rul3r |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (4 ratings)](https://appshunter.io/ios/app/epic-ruler/id982728131/reviews) | **[4.5 (1K ratings)](https://appshunter.io/ios/app/rul3r/id997746189/reviews)** |
| Number of ratings | 4 | **1K** |
| Positive reviews | 0.0% of reviews | **44.8% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 17 months | **Every 2 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 11 MB | 6 MB |
| Requires iOS | 26.0 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Chih-Hao Chen](https://appshunter.io/developer/618207820) | [YOYASOFT LLC](https://appshunter.io/developer/325345561) |

## 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


### Rul3r

[App page](https://appshunter.io/ios/app/rul3r/id997746189)

This utility app provides a portable ruler for on-the-go measurements. It also includes a suite of additional tools like a protractor, spirit level, and various meters for diverse measurement needs.

**Highlights:** Portable ruler, Protractor, Spirit level, Altimeter, Decibel meter, Plumb line

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is Epic Ruler free?

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

### Is Rul3r free?

Rul3r is free to download, with in-app purchases available.

### Which has better reviews, Epic Ruler or Rul3r?

Rul3r is rated higher. Epic Ruler averages 1.0 out of 5 from 4 ratings, while Rul3r averages 4.5 from 1K ratings.

### Do Epic Ruler or Rul3r have ads?

Rul3r shows ads; Epic Ruler does not.

### Which is updated more often, Epic Ruler or Rul3r?

Epic Ruler ships an update every 17 months, and Rul3r every 2 months. Most recently, Epic Ruler was updated on August 11, 2026 and Rul3r on September 22, 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.*