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Best Centimeter Ruler Apps

191+ iOS apps curated and reviewed

4.1 avg rating
20 free apps
Updated June 2026

The best centimeter ruler apps on iPhone average 4.1★ across 191+ titles — we've ranked them by what real users actually keep on their phones. Updated June 2026.

Top Picks for Centimeter Ruler

Ruler, Measuring Tape - AR App#1

Ruler, Measuring Tape - AR App by WHATSTICKER APPS SRL

Length Measure Calculator Tool
Editor's Choice
🔧 Utilities
4.3😞(995 ratings)
FreeAdsIn-App Purchases
Ruler, Measuring Tape - AR App screenshot 1
Ruler, Measuring Tape - AR App screenshot 2

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.

What We Love

  • 🚀 Accurate measurements
  • 👍 Simple and intuitive interface
  • 🔒 No ads in free version
  • ✨ Handy and useful tool

Room to Improve

  • 🐛 Inaccurate measurements on some devices
  • 💰 Subscription required for full functionality
  • 🔒 Forced ads in free version
Tape Measure®#2

Tape Measure® by AI Photo Editor Lab SRL

Measurement App for iPhone
Strong Contender
🔧 Utilities
4.6😊(42K ratings)
FreeAdsIn-App Purchases
Tape Measure® screenshot 1
Tape Measure® screenshot 2
Tape Measure® screenshot 3
Tape Measure® screenshot 4
Tape Measure® screenshot 5

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.

What We Love

  • 🚀 Useful and intuitive features
  • 👍 Easy to use
  • 🎉 Fun and engaging
  • 💡 Variety of measurement tools

Room to Improve

  • 🐛 Unreliable and inaccurate measurements
  • 🤯 Confusing and difficult to use
  • 🔍 Limited functionality
Ruler®#3

Ruler® by Tue Nguyen Minh

+ Photo Ruler & AR Measure
Worth Considering
🔧 Utilities
4.3😞(35K ratings)
FreeIn-App Purchases
Ruler® screenshot 1
Ruler® screenshot 2
Ruler® screenshot 3
Ruler® screenshot 4

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

More Centimeter Ruler apps to explore

4
Tape Measure & Ruler Арр
Tape Measure & Ruler Арр
Tape Measure & Ruler Арр
Multifunctional Ruler・Level
Free

This app functions as a digital measuring tool, allowing you to measure objects and distances with accuracy. It also enables you to create sketches with text annotations and share your measurements and designs.

Digital ruler and measuring tapeImperial and Metric unitsRangefinder for distance measurement
🔧 Utilities
(4K)
free with in-app purchases
5
Tape Measure™
Tape Measure™
Tape Measure™
Measure anything
Free

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.

Tape MeasureRulerHeight Tool
🔧 Utilities
(87K)
free with in-app purchases
6
Ruler ++
Ruler ++
Ruler ++
Measure lengths
Free

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

Measure in inchesMeasure in centimetersAccurate length measurement
📊 Productivity
(884)
free with in-app purchases
7
Measuring Tape, Photo Ruler
Measuring Tape, Photo Ruler
Measuring Tape, Photo Ruler
Meter: measure length, height
Free

This app offers precise measurements using augmented reality and on-screen tools. It caters to both professional and everyday needs with features like a flexible measuring tape, bubble level, and photo ruler. Save and manage your measurements within projects for easy access.

Augmented reality measurementsOn-screen ruler (1D/2D)Photo ruler for object measurement
📊 Productivity
(2.6K)
freemium
8
Ruler - Measuring Tape ||
Ruler - Measuring Tape ||
Ruler - Measuring Tape ||
Height Measure - Messure App
Free

Transform your phone into a precise measuring tool for any task. Accurately measure small objects on your screen or larger items using augmented reality. Save your measurements and switch between units effortlessly.

Dual measurement modes (screen/AR)Supports inches, centimeters, millimetersFast and accurate results
🔧 Utilities
(36)
free with in-app purchases
9
AR Measure
AR Measure
AR Measure
Tape measuring ARKit ruler app
Free

Measure distances and areas in the real world using your phone's camera. This app offers multiple measurement modes and allows you to save your results for future reference. Easily switch between different units of measurement.

Measure lengths and areas using ARMultiple measurement modes (A to B, Area)Save screenshots and measurements
🔧 Utilities
(903)
free
10
CamToPlan - AR tape measure
CamToPlan - AR tape measure
CamToPlan - AR tape measure
floor plan & measurement ruler
Free

Measure lengths, distances, and areas of any surface using augmented reality. This virtual ruler and tape measure allows you to draw measurement lines directly on your phone or tablet's camera feed and export plans in various formats. It's suitable for both personal DIY projects and professional use in real estate, construction, and more.

Augmented reality measurementsHorizontal and vertical measuringExport plans in PDF, PNG, DXF
🔧 Utilities
(16K)
free with in-app purchases
11
100cm Ruler
100cm Ruler
100cm Ruler
by ZOOMO, Inc.
Free

This app provides a digital ruler for measuring the length and diameter of small objects directly on your device. It features a millimeter scale and allows for easy sliding to measure.

Digital ruler functionalityMillimeter scaleDiameter measurement
📊 Productivity
(1)
free with in-app purchases
12
Tape Measure+ AR Measuring App
Tape Measure+ AR Measuring App
Tape Measure+ AR Measuring App
Measurement With Phone Camera
Free

Measure objects in the real world using your phone's camera. Point and tap to get accurate distances and lengths, or use it as an on-screen ruler. Ideal for professionals and DIYers needing precise measurements.

AR object measurementOn-screen ruler functionAccurate distance calculation
🔧 Utilities
(932)
free with in-app purchases
13
Ruler / Measuring Tape
Ruler / Measuring Tape
Ruler / Measuring Tape
Measure on screen, AR & paper
Free

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.

Measure against screenAugmented reality measurementPrintable ruler via AirPrint
🔧 Utilities
(166)
free
14
Unlimited-Length Visual Ruler
Unlimited-Length Visual Ruler
Unlimited-Length Visual Ruler
Measuring Tape On Screen
Free

Transform your device into an extended measuring tool. This application allows you to measure objects of any length directly on your screen, supporting both inches and centimeters. Its intuitive interface makes precise measurements simple.

Unlimited-length measurementInch and centimeter supportBack to top function
🔧 Utilities
(59)
free
15
Ruler - Digital Meter Scale
Ruler - Digital Meter Scale
Ruler - Digital Meter Scale
by Abin Joseph
Free

Transform your iPhone into a handy measuring tool. Accurately measure lengths in centimeters and inches, up to 1 meter, without needing a physical ruler.

Use iPhone as a rulerMeasure in centimetersMeasure in inches
🔧 Utilities
(61)
free
16
Ruler 2.0 - inch, mm, cm
Ruler 2.0 - inch, mm, cm
Ruler 2.0 - inch, mm, cm
High measurement accuracy
Free

This app provides a precise on-screen measuring tool for your iPhone or iPad. Easily measure length and width in centimeters, millimeters, or inches, with options to save measurements as photos and customize the ruler's appearance. It's designed for accurate, user-friendly measurements.

On-screen rulerMeasure length and widthCentimeters, millimeters, inches
🔧 Utilities
(205)
free
17
AR Ruler: Digital Tape Measure
AR Ruler: Digital Tape Measure
AR Ruler: Digital Tape Measure
Lidar Scanner: Distance・Length
Free

This app uses your phone's camera and AR technology to measure distances, lengths, angles, areas, and volumes of real-world objects. It offers a variety of tools for quick and precise measurements, suitable for both home and professional use.

AR technology for precise measurementsMeasure length, height, distance, and anglesCalculate area, volume, and perimeters
📊 Productivity
(943)
freemium
18
Ruler - Accurate Ruler
Ruler - Accurate Ruler
Ruler - Accurate Ruler
by 祥祎 刘
Free

This application provides a precise measurement tool by rendering according to your device's screen width specifications. It has been tested on a wide range of Apple devices to ensure accuracy for your measuring needs.

Accurate screen-based renderingDevice-specific calibrationWide device compatibility
📊 Productivity
(41)
free
19
Ruler AR - Tape Measure AI Cam
Ruler AR - Tape Measure AI Cam
Ruler AR - Tape Measure AI Cam
Home measuring in your camera!
Free

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.

Measure length, height, and areaAugmented reality technologyBubble level tool
🔧 Utilities
(3.5K)
freemium
20
EasyMeasure – Camera Ruler
EasyMeasure – Camera Ruler
EasyMeasure – Camera Ruler
Measure Distance Height Width
Free

Measure distances, heights, and widths of objects using your device's camera. This app utilizes augmented reality and your device's tilt angle to provide on-screen measurements. It's intuitive for various uses, from measuring buildings to aiding in golf.

Measure distance, height, and widthAugmented Reality (AR) support3D camera overlay grid
🔧 Utilities
(6K)
free with in-app purchases