# Rul3r

> Ruler, Altimeter and More

Canonical page: [https://chrome-stats.com/d/id997746189](https://chrome-stats.com/d/id997746189)

## Overview

- **ID:** `id997746189`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** YOYASOFT LLC
- **Category:** Utilities
- **Rating:** 4.40 / 5 (1,065 ratings)
- **Version:** 1.21
- **Last updated:** 2025-10-06
- **First published:** 2015-06-06
- **Size:** 5.69 MB
- **Data as of:** 2026-09-22
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/rul3r/id997746189)
- **Privacy policy:** [http://www.yoyasoft.com](http://www.yoyasoft.com/)

## Description

Rul3r turns your phone into a pocket measurement toolkit, giving you a dependable ruler whenever you need it.

In addition to the ruler, Rul3r includes protractor, plumb line, spirit level, elevation and location meters, a decibel meter, and an ordinal date converter for quick conversions.

## Rankings

- #54,792 — Overall
- #1 — rule

## Review summary

Review highlights: Users praise accuracy and ease of use, especially for small measurements, making it handy for quick tasks. However, recurring issues include intrusive ads that obscure the ruler, inconsistent sizing/accuracy across devices (iPhone vs iPad and certain models), lack of calibration options leading to readings that seem off, and a limited maximum measurement length. Some users also desire longer ranges and better zoom.

### Pros

- Accurate measurements, especially for small measurements
- Easy to use with a simple interface
- Reliable/handy for small measurements
- Includes additional measurement features (altimeter/elevation, decibel)

### Cons

- Ads are intrusive and cover numbers/controls
- Inconsistent sizing/accuracy across devices (iPhone vs iPad; model-specific issues)
- Lack of calibration options leading to readings that seem off
- Limited maximum measurement length (around 4 inches)

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- [Ruler with Caliper, Protractor](https://chrome-stats.com/d/id1368462815)
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- [RulerLevel](https://chrome-stats.com/d/id861282661) — 2.00 / 5
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- [Ruler+ Utility](https://chrome-stats.com/d/id1017729457) — 3.00 / 5
- [Quick Measure - Precise Ruler](https://chrome-stats.com/d/id6738601525) — 5.00 / 5
- [MeasureKit - Ruler & Level](https://chrome-stats.com/d/id6801757151)
- [Protractor, Level - Notch](https://chrome-stats.com/d/id6795315730)
- [Ruler & Level](https://chrome-stats.com/d/id6781229377)
- [JustRuler - 実寸定規](https://chrome-stats.com/d/id6758887849)

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Source: [Chrome-Stats](https://chrome-stats.com/d/id997746189)