Best Ruler Apps

3.1😐(1.8K ratings)

Free

Transform your device into a digital tape measure. Quickly gauge the size of real-world objects, determine a person's height, and automatically get dimensions for rectangular items. Save and share your measurements easily.

What We Love

🚀 Quick measurements
👍 Easy to use
🔍 Convenient for quick tasks
💡 Useful level feature

Room to Improve

🐛 Inconsistent accuracy
🤔 Limited functionality
🔍 Struggles with small/tight spaces
🤷‍♂️ Confusing UI/UX

Ruler® by Tue Nguyen Minh

+ Photo Ruler & AR Measure

Strong Contender

4.3😞(35K ratings)

FreeIn-App Purchases

This app provides a versatile toolkit for all your measurement needs. It includes a classic ruler, a tape measure, and a camera ruler for precise measurements. Easily switch between units and document your findings by adding measurements directly to photos.

What We Love

🚀 Accurate measurements
👍 Easy to use
🔍 Convenient for small items
📏 Useful ruler tool

Room to Improve

💰 Paywall for basic features
⏱️ Limited free usage time
🔍 Inaccurate for larger objects
🙅‍♀️ Aggressive monetization tactics

Rul3r by YOYASOFT LLC

Ruler, Altimeter and More

Worth Considering

Measurement App for iPhone

4.4(1.1K ratings)

FreeAdsIn-App Purchases

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.

More Ruler apps to explore

Tape Measure®

Augmented reality tape measureSurface and angle measurementFloor plan creation

This augmented reality app transforms your phone into a versatile measuring tool. Accurately measure distances, surfaces, angles, and even detect studs. Visualize furniture placement and create floor plans with ease.

(45K)

Screen Ruler: Measure Length

CM, MM & Inch Measuring Tool

Dual units (cm/inches)Precision calibrationMagnifier mode

Turn your iPhone or iPad into a precise measuring tool. Easily measure lengths in centimeters or inches with features like magnifier mode and haptic feedback. Ideal for daily tasks, office use, DIY projects, and on-the-go measurements.

(24)

Tape Measure™

Measure anything

Tape MeasureRulerHeight Tool

Transform your device into a versatile digital toolkit for precise measurements. Create 2D and 3D floor plans, scan rooms, and measure distances with advanced AI and computer vision. Ideal for DIY projects, home renovations, and professional use.

(89K)

Includes Camera (AR) Ruler

Ruler •

On-screen ruler for small objectsAugmented Reality (AR) measuringMeasure linear sizes in cm/inches

Measure objects and distances with an on-screen ruler and augmented reality. Supports inches and centimeters, with features for linear sizes, angles, area, volume, and more. Save your measurements for later use.

Ruler, Measuring Tape - AR App

(413)

ad-supported

Length Measure Calculator Tool

AR ruler and tape measureLength and distance measurementUnit converter (mm, inches, cm)

This app turns your device into a versatile ruler and tape measure using advanced AR technology. It offers precise measurements for objects, rooms, and complex shapes, along with unit conversion and a history log. Ideal for professionals and everyday users needing accurate measurements.

(1K)

Ruler ++

Measure lengths

Measure in inchesMeasure in centimetersAccurate length measurement

This app allows you to measure lengths accurately in both inches and centimeters. It provides a simple and straightforward tool for quick measurements.

📊 Productivity

(950)

Measure on screen, AR & paper

Ruler / Measuring Tape

Measure against screenAugmented reality measurementPrintable ruler via AirPrint

Measure objects using your device's screen, augmented reality, or by printing a ruler. Offers three distinct methods for on-demand measurement without physical tools.

Smartphone as a Ruler

Smartphone as a rulerMeasure lengthsMeasure distances

Transform your smartphone into a precise measuring tool. This utility app allows you to measure lengths and distances directly on your device's screen. Ideal for quick estimations and practical applications.

(4)

You can measure real 実寸で測れます。

定規(Ruler)

Accurate measurementsMillimeter displayInch display

A straightforward measuring tool for iPhones, offering accurate measurements in both millimeters and inches. It's designed for ease of use and provides a cool, functional experience for everyday measuring needs.

Ruler AR - Measuring Tape Cam

(2)

free

3D Room Planner & Home Measure

Measure length, height, and areaAugmented reality technologyBubble level tool

Transform your phone into a powerful measuring tool using augmented reality. Accurately measure length, height, and area of objects simply by pointing your camera. Includes a bubble level for precise surface alignment.

Fractional ruler & measure

Fractional inch or centimeter measurementAdjustable precision (1/8, 1/16, 1/32 inch)Extendable ruler beyond screen length

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.

Measure & Calibrate with Ease.

Dual measurement units (inches/millimeters)Intuitive drag-and-measure interfaceAccurate screen calibration

Transform your device into a precise digital caliper for measuring objects in inches and millimeters. Features intuitive drag-and-measure functionality and accurate screen calibration using common items.

(1)

Dimensions & notes on photos

ImageMeter

Measuring Tape: Ruler App

📊 Productivity

(0)

AR Camera for Length & Height

MeasureLab: AR Ruler & Level

(0)

AR tape measure, level, ruler

AR tape measureLaser measure with LiDARSpirit level with haptic feedback

This app transforms your phone into a versatile toolkit, offering AR measurement, leveling, and detection features. It utilizes your device's sensors to provide accurate readings for various tasks, from measuring furniture to finding studs. An AI assistant is also integrated for building and measuring queries.

Range Finder・Tape Measure

(2)

freemium

Get Distance & Area by Camera

Measure distances with cameraCalculate area and perimeterEstimate object heights

Transform your phone into a powerful measuring tool using augmented reality. Accurately measure distances, areas, perimeters, and heights of objects and rooms simply by pointing your camera. Ideal for home improvement, design, and quick on-the-go measurements.

(1)

Ruler AR - Tape Measure App

Tape measure & On-screen ruler

Augmented reality measurementsLength, width, and height measurementMeasure on non-flat surfaces

Measure real-world objects accurately using augmented reality. This app allows for length, width, and height measurements, even on non-flat surfaces. Save and review your measurements for future reference.

(3)