# Ruler App vs Infinite Ruler

The clearest difference is review sentiment: Infinite Ruler at 100% against Ruler App's 0%. Infinite Ruler also leads on price (Free vs $0.99) and rating (5.0 vs 2.6). Ruler App's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 18.2). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

Infinite Ruler is free to download; Ruler App costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Infinite Ruler holds the better App Store score, 5.0 against 2.6. Both are backed by a comparable volume of ratings — 5 and 2 respectively. Written reviews point the same way: 0% of Ruler App's written reviews are positive against 100% of Infinite Ruler's.

Ruler App ships an update every 11 months, Infinite Ruler every 7 months. The most recent releases landed on October 22, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Ruler App | Infinite Ruler |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [2.6 (5 ratings)](https://appshunter.io/ios/app/ruler-app/id303731879/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/infinite-ruler/id6746876762/reviews)** |
| Number of ratings | **5** | 2 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 7 months** |
| Monetization | Paid | **Free** |
| Size | 2 MB | 6 MB |
| Requires iOS | **12.0** | 18.2 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Piet Jonas](https://appshunter.io/developer/288060167) | [Eric Savoie](https://appshunter.io/developer/1695096773) |

## What reviewers say

### Ruler App

[App page](https://appshunter.io/ios/app/ruler-app/id303731879)

Transform your iPhone or Apple Watch into a precise measuring tool. Easily switch between imperial and metric units and adjust the ruler's height for direct comparisons. Customize your experience with different color schemes.

**Highlights:** Imperial and metric scale switching, Adjustable ruler height, Color scheme customization, Apple Watch compatibility, Switchable ruler scales

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**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 App free?

Ruler App costs $0.99, 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 App or Infinite Ruler?

Infinite Ruler is rated higher. Ruler App averages 2.6 out of 5 from 5 ratings, while Infinite Ruler averages 5.0 from 2 ratings.

### Do Ruler App or Infinite Ruler have ads?

Neither Ruler App nor Infinite Ruler shows ads.

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

Ruler App ships an update every 11 months, and Infinite Ruler every 7 months. Most recently, Ruler App was updated on October 22, 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.*