# Rules Measure

> Rulers, Protractor & Shapes

Canonical page: [https://chrome-stats.com/d/id6761289085](https://chrome-stats.com/d/id6761289085)

## Overview

- **ID:** `id6761289085`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Davis McDowell
- **Category:** Utilities
- **Version:** 1.1
- **Last updated:** 2026-04-09
- **First published:** 2026-03-31
- **Size:** 12 MB
- **Data as of:** 2026-09-21
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/rules-measure/id6761289085)
- **Privacy policy:** [https://privacypolicyurl.com/rules-measure/privacy-policy.html](https://privacypolicyurl.com/rules-measure/privacy-policy.html)

## Description

Rules turns your iPhone and iPad into calibrated, practical measurement tools.

Use Rules to measure with confidence on screen:
- Standard Ruler with imperial and metric units
- Protractor Tool with a draggable ray for angle measurement
- Shape Display for circles, rectangles, triangles, and polygons at real size
- Polygon Tool with perimeter, area, edge lengths, and interior angles
- Actual Size Viewer to display images at true physical size using image DPI metadata

Built for accuracy:
- Per-device display calibration
- Manual calibration override for custom tuning
- Fast unit switching between imperial and metric
- Clean interface optimized for quick, repeatable measurements

Whether you are checking print/layout scale, design dimensions, or geometry, Rules gives you reliable on-screen measuring tools in one app.

## Rankings

- #1,716,098 — Overall

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- [Screen Ruler: Measure Length](https://chrome-stats.com/d/id1174757735) — 3.70 / 5
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- [JustRuler - 実寸定規](https://chrome-stats.com/d/id6758887849)
- [Measure Ruler: AR Tape & Level](https://chrome-stats.com/d/id6801619205) — 1.00 / 5

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Source: [Chrome-Stats](https://chrome-stats.com/d/id6761289085)