# Ruler+ Utility vs SmartRuler

The clearest difference is rating: SmartRuler at 3.6 against Ruler+ Utility's 3.0. SmartRuler also leads on review sentiment (87% vs 47%) and ads (none vs shown). Ruler+ Utility's advantage is monetization model (free with in-app purchases vs subscription). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Ruler+ Utility sells 1 one-off in-app purchase and SmartRuler sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

SmartRuler holds the better App Store score, 3.6 against 3.0. That said, the two scores are not equally well evidenced: SmartRuler has 95 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 47% of Ruler+ Utility's written reviews are positive against 87% of SmartRuler's.

Ruler+ Utility ships an update every 40 months, SmartRuler every 3 weeks. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Ruler+ Utility | SmartRuler |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/ruler-plus-utility/id1017729457/reviews) | **[3.6 (95 ratings)](https://appshunter.io/ios/app/smartruler-measuring-tape/id1279181166/reviews)** |
| Number of ratings | 2 | **95** |
| Positive reviews | 46.7% of reviews | **86.8% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 40 months | **Every 3 weeks** |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 24 MB | 7 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kyungjin Lee](https://appshunter.io/developer/572393811) | [Kodeon, Inc.](https://appshunter.io/developer/1748846686) |

## 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 |


### SmartRuler

[App page](https://appshunter.io/ios/app/smartruler-measuring-tape/id1279181166)

This app uses augmented reality to measure distances and dimensions of objects with your phone. It can calculate length, height, area, perimeter, and angles for free, acting as a virtual tape measure and ruler.

**Highlights:** Augmented reality measurement, Length, height, area, perimeter calculation, Angle measurement, Virtual tape measure, Room dimension measurement, Distance calculator

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Become Premium | $2.99 | per 7 days |
| SmartRuler Annually | $19.99 | per year |
| SmartRuler Premium | $19.99 | per year |

**What reviewers like**

- 👍 Very good app
- 👍 Cool app
- 👍 Best app
- 👍 Super
- 👍 Good

**What reviewers complain about**

- 🐛 Does not work
- 🐛 Inaccurate ruler
- 🐛 No user guide
- 🐛 Not intuitive
- 🐛 Hard to find cancel button

**Reported bugs**

- Screen does not fix points
- App is paid, don't fall for it
- Hidden charges, inaccurate measurements

**Requested features**

- Clearer indication of measurement readouts
- Icon for angle measurements


## Frequently asked questions

### Is Ruler+ Utility free?

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

### Is SmartRuler free?

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

### Which has better reviews, Ruler+ Utility or SmartRuler?

SmartRuler is rated higher. Ruler+ Utility averages 3.0 out of 5 from 2 ratings, while SmartRuler averages 3.6 from 95 ratings.

### Do Ruler+ Utility or SmartRuler have ads?

Ruler+ Utility shows ads; SmartRuler does not.

### Which is updated more often, Ruler+ Utility or SmartRuler?

Ruler+ Utility ships an update every 40 months, and SmartRuler every 3 weeks. Most recently, Ruler+ Utility was updated on October 24, 2026 and SmartRuler on October 29, 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.*