# Ruler® vs Epic Ruler

The clearest difference is rating: Ruler® at 4.3 against Epic Ruler's 1.0. Ruler® also leads on update cadence (every 6 weeks vs every 17 months) and ratings volume (35K vs 4). 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. Ruler® sells 2 in-app purchases, starting at $1.99 per 7 days. Epic Ruler asks for nothing beyond the download.

Ruler® holds the better App Store score, 4.3 against 1.0. That said, the two scores are not equally well evidenced: Ruler® has 35K ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 22% of Ruler®'s written reviews are positive against 0% of Epic Ruler's.

Ruler® ships an update every 6 weeks, Epic Ruler every 17 months. The most recent releases landed on September 26, 2026 and August 11, 2026 respectively.

## The numbers

| Metric | Ruler® | Epic Ruler |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (35K ratings)](https://appshunter.io/ios/app/ruler/id623207505/reviews)** | [1.0 (4 ratings)](https://appshunter.io/ios/app/epic-ruler/id982728131/reviews) |
| Number of ratings | **35K** | 4 |
| Positive reviews | **21.9% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 17 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 25 MB | 11 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Tue Nguyen Minh](https://appshunter.io/developer/434811167) | [Chih-Hao Chen](https://appshunter.io/developer/618207820) |

## What reviewers say

### Ruler®

[App page](https://appshunter.io/ios/app/ruler/id623207505)

This app provides a versatile toolkit for all your measurement needs. It includes a classic ruler, a tape measure, and a camera ruler for precise measurements. Easily switch between units and document your findings by adding measurements directly to photos.

**Highlights:** Classic ruler and tape measure, Camera ruler mode, Photo measures mode, Dual unit support (inches/cm), Precision sliders for small objects, Elegant and user-friendly interface

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ruler Pro (Weekly) | $1.99 | per 7 days |
| Pro Features | $1.99 | one-time |

**What reviewers like**

- 🚀 Accurate measurements
- 👍 Easy to use
- 🔍 Convenient for small items
- 📏 Useful ruler tool

**What reviewers complain about**

- 💰 Paywall for basic features
- ⏱️ Limited free usage time
- 🔍 Inaccurate for larger objects
- 🙅‍♀️ Aggressive monetization tactics

**Reported bugs**

- Inconsistent measurements
- Compatibility issues with newer devices

**Requested features**

- Ability to switch between metric and imperial units without paying
- Improved accuracy for larger measurements
- Removal of time limits on free usage


### 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


## Frequently asked questions

### Is Ruler® free?

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

### Is Epic Ruler free?

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

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

Ruler® is rated higher. Ruler® averages 4.3 out of 5 from 35K ratings, while Epic Ruler averages 1.0 from 4 ratings.

### Do Ruler® or Epic Ruler have ads?

Neither Ruler® nor Epic Ruler shows ads.

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

Ruler® ships an update every 6 weeks, and Epic Ruler every 17 months. Most recently, Ruler® was updated on September 26, 2026 and Epic Ruler on August 11, 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.*