# Rul3r vs Infinite Ruler

The clearest difference is review sentiment: Infinite Ruler at 100% against Rul3r's 45%. Infinite Ruler also leads on rating (5.0 vs 4.4) and in-app purchases (none vs 1). Rul3r's advantage is ratings volume (1.1K vs 2) and update cadence (every 2 months vs every 7 months). On price and device support there is nothing between them.

Both are free to download. Rul3r sells 1 one-off in-app purchase. Infinite Ruler asks for nothing beyond the download.

Infinite Ruler holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Rul3r has 1.1K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 45% of Rul3r's written reviews are positive against 100% of Infinite Ruler's.

Rul3r ships an update every 2 months, Infinite Ruler every 7 months. The most recent releases landed on October 29, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Rul3r | Infinite Ruler |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (1.1K ratings)](https://appshunter.io/ios/app/rul3r/id997746189/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/infinite-ruler/id6746876762/reviews)** |
| Number of ratings | **1.1K** | 2 |
| Positive reviews | 44.8% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 7 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 7 MB | 6 MB |
| Requires iOS | **16.0** | 18.2 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [YOYASOFT LLC](https://appshunter.io/developer/325345561) | [Eric Savoie](https://appshunter.io/developer/1695096773) |

## What reviewers say

### Rul3r

[App page](https://appshunter.io/ios/app/rul3r/id997746189)

This utility app provides a portable ruler for on-the-go measurements. It also includes a suite of additional tools like a protractor, spirit level, and various meters for diverse measurement needs.

**Highlights:** Portable ruler, Protractor, Spirit level, Altimeter, Decibel meter, Plumb line

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


### 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 Rul3r free?

Rul3r is free to download, with in-app purchases available.

### Is Infinite Ruler free?

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

### Which has better reviews, Rul3r or Infinite Ruler?

Infinite Ruler is rated higher. Rul3r averages 4.4 out of 5 from 1.1K ratings, while Infinite Ruler averages 5.0 from 2 ratings.

### Do Rul3r or Infinite Ruler have ads?

Rul3r shows ads; Infinite Ruler does not.

### Which is updated more often, Rul3r or Infinite Ruler?

Rul3r ships an update every 2 months, and Infinite Ruler every 7 months. Most recently, Rul3r was updated on October 29, 2026 and Infinite Ruler on October 8, 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.*