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Ruler / Measuring Tape

Ruler / Measuring Tape

Measure on screen, AR & paper

219 ratings
73 reviews
🔧 Utilities
🎬 Entertainment
Free

Details

  • Released
  • Updated
  • September 19, 2017
  • October 16, 2025

Developer

Clafou Ltd
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Reviews summary↘︎
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❓5 answered
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About

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 screen
✓Augmented reality measurement
✓Printable ruler via AirPrint
✓ARKit integration
✓No ads or in-app purchases
Show original description

What users say

Summarized from real user reviews of Ruler / Measuring Tape. Based on 219 reviews and a 4.4/5 average, it highlights the 9 positives and 9 negatives reviewers mention most about this Utilities app.

Positive things

  • 👍Simple and easy to use
  • 📏Accurate measurements (for some)
  • 🆓Free with no ads
  • 💡AR ruler functionality
  • ✨Clean interface
  • 🆓No personal data requested
  • 💰No subscriptions needed
  • 📏Includes a basic ruler
  • 🖼️Visual measurement reference

Negative things

  • 🐛Inaccurate measurements
  • 🐛Doesn't detect surfaces
  • 🐛Slow to analyze
  • 🐛Difficult to use
  • 🐛Not suitable for large objects
  • 🐛UI issues (e.g., reverse directions)
  • 🐛Force turns off flashlight
  • 🐛Incompatible with certain devices
  • 🐛Limited functionality (e.g., horizontal only)
See all reviews

What's New in Ruler / Measuring Tape

1.14

October 16, 2025

Added support for the newest iPhone models. Fixed a scaling issue on iPadOS 26 and added support for iPad window resizing.

User reviews

Most RecentHighest RatedLowest Rated

Frustrating

The idea is great, but to use it it’s so frustrating trying to work out what to do. I just deleted it in the end.
rubishproductrubishproduct

The app needs work but it works for distances of 15 feet roughly

The app works but the range of footage it can measure before losing tracking kinda sucks but it has free demo without giving away your credit card details so it’s will be worth a buy if developer fixes the range issues.
Bob foxesBob foxes

Not accurate

Not only not accurate, but also mistakes vertical with horizontal axis most of the time.
Poorya RashidiPoorya Rashidi

DO IT

Download this app is exactly what you want, it’s not a potato.
Bless the developer for making a high quality must have app for free without ads or tracking.
Deedee_MegaDooDooDeedee_MegaDooDoo

It does not work

Impossible to accurately measure anything
BobbybunionBobbybunion
See 68 more reviews

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User experience

🐞

Reported Bugs

26 issues

Cannot accurately measure anything

Bug

Force turns off the flashlight

Bug

Shows totally wrong scale on iPhone 15 Pro Max

Bug

cm and inch are in reverse directions

Bug

Ne s’adapte pas au zoom de l’écran

Bug

Wouldn’t detect any surface

Bug

Incorrect for iPad 7th Gen

Bug

Doesn’t work as advertised (requires camera access)

Bug

Impossibilité de mesurer des verticales

Bug

Sólo sirve para cosas pequeñas

Bug

Pas fiable, mesures différentes comparées avec un mètre-ruban

Bug

Ne fonctionne pas

Bug

Ne marche pas

Bug

Tardo años, no sirve

Bug

Can’t detect flat surface

Bug

iPhone 6s: marche une fois sur dix

Bug

Keeps analysing repeatedly with no recognition whatsoever

Bug

Funktioniert nicht

Bug

No vale para nada, no funciona y no detecta el suelo ni la mesa

Bug

Todavía no entiendo para que sirve

Bug

The augmented reality doesnt work accurately and the rules wont allow us to touch the screen

Bug

Not working at all

Bug

Ne semble pas fonctionner, passe son temps à analyser

Bug

L'app prends énormément de temps à analyser

Bug

AR läuft nicht, erkennt keine Fläche

Bug

Can’t get it to measure anything

Bug
✨

Requested Features

9 requests

Option to change ruler pips (16/1, 8/1)

Feature

Scrolling ruler for longer objects

Feature

Button to turn on flashlight

Feature

Compatibility for iPad Air 2

Feature

Tutorial or instructions

Feature

Numeric measurements near the rule

Feature

Ability to take multiple measurements simultaneously

Feature

Dark mode option

Feature

Advanced analytics dashboard

Feature

FAQ

What can I measure with this app?

You can measure small objects directly on your device's screen for simple and precise measurements. For larger items or distances, you can use augmented reality to place a virtual measuring tape on surfaces like walls, tables, or floors. Additionally, the app allows you to print a ruler for physical measurements.

How does the augmented reality measurement work?

The app utilizes ARKit to enable augmented reality measurements. You can place a virtual measuring tape onto vertical or horizontal surfaces in your environment, allowing you to measure distances in the real world through your device's camera.

Is this app free to use?

Yes, this app is completely free to use. It does not feature any advertisements, in-app purchases, or user tracking, providing a clean and uninterrupted measurement experience.

How accurate is the printed ruler?

The accuracy of the printed ruler depends on your printer's calibration and the printing process. It is recommended to check the printed ruler's result against the on-screen ruler provided by the app to ensure its accuracy for your needs.

What devices is this app compatible with?

The app is built with ARKit, which typically requires devices that support ARKit for the augmented reality features. For the AirPrint functionality, you will need a compatible printer. Specific device compatibility details are usually found in the app store listing.