# RulerApp: True-Size Ruler

> Measure with your screen ruler

Canonical page: [https://chrome-stats.com/d/id6790299129](https://chrome-stats.com/d/id6790299129)

## Overview

- **ID:** `id6790299129`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Takumi Sekiguchi
- **Category:** Utilities
- **Version:** 1.0.2
- **Last updated:** 2026-08-15
- **First published:** 2026-07-14
- **Size:** 5.99 MB
- **Data as of:** 2026-09-21
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/rulerapp-true-size-ruler/id6790299129)
- **Privacy policy:** [https://smallappworks.com/rulerapp/privacy/](https://smallappworks.com/rulerapp/privacy/)

## Description

RulerApp turns your iPhone or iPad screen into a true-to-size ruler, so you can measure everyday objects without hunting for a tape measure.

Features:
- On-screen ruler at true scale (cm/inch, down to 1mm or 1/16 inch)
- Accurate sizing using your device's actual PPI
- Works in portrait and landscape (landscape measures farther)
- Drag start/end markers to auto-calculate the distance between two points
- Quick calibration using a standard credit card (85.6mm)
- Built-in cm / inch / mm unit converter

Great for:
- Quick measurements when you don't have a tape measure
- DIY projects
- Designers checking print dimensions
- Students measuring for science experiments

Measurements are processed on your device.

FREE VERSION AND FULL ACCESS
The free version displays banner ads. A one-time Full Access purchase unlocks every feature and removes ads. Customers who previously bought the paid app also continue without ads.

## Rankings

- #2,074,889 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id6790299129)