# Ruler+ Utility vs 定規(Ruler)

The clearest difference is rating: 定規(Ruler) at 5.0 against Ruler+ Utility's 3.0. 定規(Ruler) also leads on in-app purchases (none vs 1) and ads (none vs shown). Ruler+ Utility's advantage is iOS requirement (13.0 vs 15.6). On price, ratings volume and device support there is nothing between them.

Both are free to download. Ruler+ Utility sells 1 one-off in-app purchase. 定規(Ruler) asks for nothing beyond the download.

定規(Ruler) holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively. Written reviews point the same way: 47% of Ruler+ Utility's written reviews are positive against 80% of 定規(Ruler)'s.

Ruler+ Utility ships an update every 40 months, 定規(Ruler) every 6 months. The most recent releases landed on September 3, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Ruler+ Utility | 定規(Ruler) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/ruler-plus-utility/id1017729457/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ruler/id1166028258/reviews)** |
| Number of ratings | 2 | 2 |
| Positive reviews | 46.7% of reviews | **80.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 40 months | **Every 6 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 24 MB | 3 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kyungjin Lee](https://appshunter.io/developer/572393811) | [Mayumi Kato](https://appshunter.io/developer/705832872) |

## What reviewers say

### Ruler+ Utility

[App page](https://appshunter.io/ios/app/ruler-plus-utility/id1017729457)

Transform your smartphone into a versatile measuring tool. Instantly measure the length of objects using your phone's screen, with options for fixed or scroll modes. Save your measurements and choose between centimeters or inches for precise results.

**Highlights:** Smartphone ruler, Fixed and scroll measurement modes, Save measurements, Centimeter and inch support, Fine-tune scale, Intuitive interface

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


### 定規(Ruler)

[App page](https://appshunter.io/ios/app/ruler/id1166028258)

A straightforward measuring tool for iPhones, offering accurate measurements in both millimeters and inches. It's designed for ease of use and provides a cool, functional experience for everyday measuring needs.

**Highlights:** Accurate measurements, Millimeter display, Inch display, Supports all iPhone sizes, Simple interface

**In-app purchases:** none


## Frequently asked questions

### Is Ruler+ Utility free?

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

### Is 定規(Ruler) free?

定規(Ruler) is free to download, with no in-app purchases.

### Which has better reviews, Ruler+ Utility or 定規(Ruler)?

定規(Ruler) is rated higher. Ruler+ Utility averages 3.0 out of 5 from 2 ratings, while 定規(Ruler) averages 5.0 from 2 ratings.

### Do Ruler+ Utility or 定規(Ruler) have ads?

Ruler+ Utility shows ads; 定規(Ruler) does not.

### Which is updated more often, Ruler+ Utility or 定規(Ruler)?

Ruler+ Utility ships an update every 40 months, and 定規(Ruler) every 6 months. Most recently, Ruler+ Utility was updated on September 3, 2026 and 定規(Ruler) on June 1, 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.*