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Best Centimeter Ruler Apps

243+ iOS apps curated and reviewed

3.3 avg rating
20 free apps
Updated July 2026

The best centimeter ruler apps on iPhone average 3.3★ across 243+ titles — we've ranked them by what real users actually keep on their phones. Updated July 2026.

Compare top Centimeter Ruler Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Ruler, Measuring Tape - AR AppRuler, Measuring Tape - AR AppFree4.3★ (1K)YesYesAug 2026
2cm Ruler, device size measurecm Ruler, device size measureFree1.0★ (1)YesNoJul 2026
3Ruler®Ruler®Free4.3★ (35K)NoYesAug 2026
4Ruler ++Ruler ++Free3.5★ (884)NoYesAug 2026
5Tape Measure & Ruler АррTape Measure & Ruler АррFree4.2★ (4.2K)YesYesAug 2026
6RulerBasicRulerBasicFree was $0.99—NoNoAug 2026
7AR Ruler: Measuring AppAR Ruler: Measuring AppFree—YesYesMay 2026
8Ruler & Tape Measure – AR ToolRuler & Tape Measure – AR ToolFree—YesYesJul 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😞(1K ratings)
FreeAdsIn-App Purchases
Ruler, Measuring Tape - AR App screenshot 1
Ruler, Measuring Tape - AR App screenshot 2
Ruler, Measuring Tape - AR App screenshot 3
Ruler, Measuring Tape - AR App screenshot 4
Ruler, Measuring Tape - AR App screenshot 5
Ruler, Measuring Tape - AR App screenshot 6

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
cm Ruler, device size measure#2

cm Ruler, device size measure by Taisuke Hosokawa

your device, centimeter Ruler
Strong Contender
🔧 Utilities
1.0(1 ratings)
FreeAds
cm Ruler, device size measure screenshot 1
cm Ruler, device size measure screenshot 2
cm Ruler, device size measure screenshot 3
cm Ruler, device size measure screenshot 4
cm Ruler, device size measure screenshot 5
cm Ruler, device size measure screenshot 6

Transform your device into a versatile ruler for precise measurements. It displays width, height, and tapped positions, allowing you to record and share dimensions. Customize the ruler's appearance with different colors.

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
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
5
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
(4.2K)
free with in-app purchases
6
RulerBasic
RulerBasic
RulerBasic
Fast, Handy Measuring Tool
Free
$0.99 | 100% OFF
🔧 Utilities
(0)
7
AR Ruler: Measuring App
AR Ruler: Measuring App
AR Ruler: Measuring App
Measurement Tool
Free
🔧 Utilities
(0)
8
Ruler & Tape Measure – AR Tool
Ruler & Tape Measure – AR Tool
Ruler & Tape Measure – AR Tool
Measure Length, Width & Height
Free
🔧 Utilities
(0)
9
Cetvel Ruler
Cetvel Ruler
Cetvel Ruler
Cetvel ölçü aleti
Free
🔧 Utilities
(0)
10
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
11
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
(88K)
free with in-app purchases
12
Ruler - Screen Measure Tool
Ruler - Screen Measure Tool
Ruler - Screen Measure Tool
Measure anything
Free
🔧 Utilities
(0)
13
Pocket,Ruler
Pocket,Ruler
Pocket,Ruler
Small item measurement
Free
🔧 Utilities
(0)
14
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
15
Ruler: Measure, Level & Tools
Ruler: Measure, Level & Tools
Ruler: Measure, Level & Tools
by MOODLR DESENVOLVIMENTO DIGITAL LTDA
Free
🔧 Utilities
(0)
16
Inches on a Ruler
Inches on a Ruler
Inches on a Ruler
Find inches on a ruler
Free
$0.99 | 100% OFF
📊 Productivity
(0)
17
The Best Ruler
The Best Ruler
The Best Ruler
by NETIGEN KLUZOWICZ SPOLKA JAWNA
Free

Measure objects directly on your smartphone screen without needing traditional tools. This utility offers an easy-to-use interface with accurate scales in centimeters and inches, supporting both horizontal and vertical measurements.

Measure objects on screenCentimeter and inch scalesHorizontal and vertical display modes
🔧 Utilities
(1)
free
18
Epic Ruler
Epic Ruler
Epic Ruler
by Chih-Hao Chen
Free

Transform your smartphone into a portable measuring tool. Accurately measure lengths in both inches and centimeters directly from your device.

Converts phone to rulerMeasures in inchesMeasures in centimeters
🔧 Utilities
(4)
free
19
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
20
Ruler - Screen accurate ruler
Ruler - Screen accurate ruler
Ruler - Screen accurate ruler
measuring app and ruler app
Free

Transform your device into a precise measuring tool. Measure objects, distances, and spaces with fingertip accuracy. Offers real-time results in both metric and imperial units, with professional calibration for your specific device.

Instant touch measurementTwo-finger measurementReal-time results (cm/inches)
🔧 Utilities
(0)
free

FAQ about Centimeter Ruler

What are the best centimeter ruler apps for iPhone?
Ruler, Measuring Tape - AR App tops our centimeter ruler apps ranking as of July 2026, with a 4.3-star average from 1K App Store ratings, and it's free to download.
Yes — 20 of the top centimeter ruler apps we rank are free to download, including Ruler, Measuring Tape - AR App and cm Ruler, device size measure.
Ruler, Measuring Tape - AR App shows ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 243+ centimeter ruler apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
This application transforms your smartphone into a precise ruler and tape measure utilizing augmented reality technology. It allows you to measure lengths, distances, angles, and even volumes of objects and spaces directly through your device's camera.
Key features include a customizable home screen ruler, length and distance measurement tools, a unit converter (mm to inches, cm to inches), measurements for various shapes like rectangles and circles, polylines for complex paths, angle measurement, and a history log of all your measurements.