# iRuler Plus vs Ruler AR

The clearest difference is rating: Ruler AR at 4.3 against iRuler Plus's 1.7. Ruler AR also leads on update cadence (every 3 months vs every 52 months) and review sentiment (28% vs 0%). iRuler Plus's advantage is iOS requirement (9.0 vs 16.6). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. iRuler Plus sells 1 one-off in-app purchase and Ruler AR sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Ruler AR holds the better App Store score, 4.3 against 1.7. That said, the two scores are not equally well evidenced: Ruler AR has 3.5K ratings behind it against 15, so its average is the more settled of the two. Written reviews point the same way: 0% of iRuler Plus's written reviews are positive against 28% of Ruler AR's.

iRuler Plus ships an update every 52 months, Ruler AR every 3 months. The most recent releases landed on November 2, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | iRuler Plus | Ruler AR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.7 (15 ratings)](https://appshunter.io/ios/app/iruler-plus/id1215565638/reviews) | **[4.3 (3.5K ratings)](https://appshunter.io/ios/app/ruler-ar-measuring-tape-cam/id1279285953/reviews)** |
| Number of ratings | 15 | **3.5K** |
| Positive reviews | 0.0% of reviews | **28.2% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 52 months | **Every 3 months** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 11 MB | 22 MB |
| Requires iOS | **9.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [CONG DUC TRAN](https://appshunter.io/developer/596643264) | [Vladislav Kovalski](https://appshunter.io/developer/1657516901) |

## What reviewers say

### iRuler Plus

[App page](https://appshunter.io/ios/app/iruler-plus/id1215565638)

Measure lengths in centimeters or inches with this virtual ruler app. It offers a user-friendly interface with customizable color themes and styles. Easily measure small objects or long items up to 120 cm.

**Highlights:** Measure in cm or inches, Up to 120 cm scroll ruler, Measure small objects with stick ruler, Multiple ruler themes and colors, Easy to use interface

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| iRuler Premium | $1.99 | one-time |


### Ruler AR

[App page](https://appshunter.io/ios/app/ruler-ar-measuring-tape-cam/id1279285953)

Transform your phone into a powerful measuring tool using augmented reality. Accurately measure length, height, and area of objects simply by pointing your camera. Includes a bubble level for precise surface alignment.

**Highlights:** Measure length, height, and area, Augmented reality technology, Bubble level tool, Multiple measurement units (inches, meters, cm), Save measurements to camera roll, Touch Mode for precise measurements

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ruler Pro Features | $1.99 | per month |
| Ruler Pro Access | $5.99 | per 7 days |
| Remove Ads | $0.99 | one-time |


## Frequently asked questions

### Is iRuler Plus free?

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

### Is Ruler AR free?

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

### Which has better reviews, iRuler Plus or Ruler AR?

Ruler AR is rated higher. iRuler Plus averages 1.7 out of 5 from 15 ratings, while Ruler AR averages 4.3 from 3.5K ratings.

### Do iRuler Plus or Ruler AR have ads?

Both iRuler Plus and Ruler AR show ads.

### Which is updated more often, iRuler Plus or Ruler AR?

iRuler Plus ships an update every 52 months, and Ruler AR every 3 months. Most recently, iRuler Plus was updated on November 2, 2026 and Ruler AR on November 7, 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.*