# Ruler vs Infinite Ruler

The clearest difference is rating: Infinite Ruler at 5.0 against Ruler's 4.5. Ruler's advantage is update cadence (every 3 months vs every 7 months) and device support (3 vs 1). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Infinite Ruler holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 4 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Ruler ships an update every 3 months, Infinite Ruler every 7 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Ruler | Infinite Ruler |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (4 ratings)](https://appshunter.io/ios/app/ruler-a-simple-ar-ruler-app/id1287068680/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/infinite-ruler/id6746876762/reviews)** |
| Number of ratings | **4** | 2 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 7 months |
| Monetization | Free | Free |
| Size | 22 MB | 6 MB |
| Requires iOS | **11.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Play, Inc.](https://appshunter.io/developer/1078526009) | [Eric Savoie](https://appshunter.io/developer/1695096773) |

## What reviewers say

### Ruler

[App page](https://appshunter.io/ios/app/ruler-a-simple-ar-ruler-app/id1287068680)

This utility app uses augmented reality to measure lengths and areas in the real world. Simply point your device's camera to get accurate measurements.

**Highlights:** Augmented reality measurement, Measure length, Measure area, Simple interface

**Features:** macOS Compatibility

**In-app purchases:** none


### Infinite Ruler

[App page](https://appshunter.io/ios/app/infinite-ruler/id6746876762)

Measure objects with precision using a digital ruler that extends beyond your screen. Choose fractional inch or centimeter units and calibrate for accuracy. Ideal for quick measurements when a physical tool isn't available.

**Highlights:** Fractional inch or centimeter measurement, Adjustable precision (1/8, 1/16, 1/32 inch), Extendable ruler beyond screen length, Customizable zero point, Live distance markers, On-device calibration

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

**In-app purchases:** none


## Frequently asked questions

### Is Ruler free?

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

### Is Infinite Ruler free?

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

### Which has better reviews, Ruler or Infinite Ruler?

Infinite Ruler is rated higher. Ruler averages 4.5 out of 5 from 4 ratings, while Infinite Ruler averages 5.0 from 2 ratings.

### Do Ruler or Infinite Ruler have ads?

Neither Ruler nor Infinite Ruler shows ads.

### Which is updated more often, Ruler or Infinite Ruler?

Ruler ships an update every 3 months, and Infinite Ruler every 7 months. Most recently, Ruler was updated on November 3, 2026 and Infinite Ruler on October 30, 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.*