Best Vertical Ruler Apps

234+ iOS apps curated and reviewed

3.6 avg rating
19 free apps
Updated August 2026

Whether you're new to vertical ruler or looking for an upgrade, our curated collection of 234+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top Vertical Ruler Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Ruler®Ruler®Free4.3★ (35K)NoYesSep 2026
2Screen Ruler: Measure LengthScreen Ruler: Measure LengthFree3.6★ (23)YesYesAug 2026
3Ruler •Ruler •Free4.2★ (405)YesNoSep 2026
4Super RulerSuper RulerFreeYesNoMay 2026
5Epic RulerEpic RulerFree1.0★ (4)NoNoAug 2026
6Ruler - Accurate RulerRuler - Accurate RulerFree2.6★ (40)NoNoAug 2026
7Ruler - CM, MM, InchesRuler - CM, MM, InchesFree3.5★ (79)YesYesAug 2026
8Ruler - Digital Meter ScaleRuler - Digital Meter ScaleFree2.8★ (61)NoSep 2026

Top Picks for Vertical Ruler

Ruler®#1

Ruler® by Tue Nguyen Minh

+ Photo Ruler & AR Measure
Editor's Choice
🔧 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
  • 🙅‍♀️ Aggressive monetization tactics
Screen Ruler: Measure Length#2

Screen Ruler: Measure Length by 向阳 杨

CM, MM & Inch Measuring Tool
Strong Contender
🔧 Utilities
3.6(23 ratings)
FreeAdsIn-App Purchases
Screen Ruler: Measure Length screenshot 1

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.

Ruler •#3

Ruler • by Matrix Software Co.

Includes Camera (AR) Ruler
Worth Considering
🔧 Utilities
4.2😞(405 ratings)
FreeAds
Ruler • screenshot 1
Ruler • screenshot 2
Ruler • screenshot 3
Ruler • screenshot 4
Ruler • screenshot 5
Ruler • screenshot 6

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.

What We Love

  • 👍 Basic caliper and spirit level included
  • ✅ Option to opt-out of data selling/sharing
  • 👌 Accurate measurements (Arabic review)

Room to Improve

  • 📏 Inaccurate measurements
  • 💥 Frequent app crashes
  • 💸 Limited free functionality (5" limit)
  • 🚫 Cannot switch to metric (cm)
  • 🤷 Unclear AR mode usage
  • ❌ No save or print option
  • ↩️ Unable to exit AR mode
  • ❓ No instructions on how to use
  • 📱 Assumes a single phone size
  • 📉 Ruler markings are incorrect (10ths instead of 16ths)
  • 👎 Generally poor user experience

More Vertical Ruler apps to explore

FAQ about Vertical Ruler

What are the best vertical ruler apps for iPhone?
Ruler® tops our vertical ruler apps ranking as of August 2026, with a 4.3-star average from 35K App Store ratings, and it's free to download.
Yes — 19 of the top vertical ruler apps we rank are free to download, including Ruler® and Screen Ruler: Measure Length.
Ruler® has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 234+ vertical ruler apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
Ruler® offers a comprehensive suite of measurement tools for your phone. It includes a classic ruler, a tape measure, and an augmented reality camera ruler. You can also use the photo measures mode to add measurement data directly to your images for documentation.
Key features include a classic ruler, tape measure, and camera ruler mode for AR measurements. It supports dual units (inches and centimeters), offers precision sliders for accurate measurement of small objects, and allows you to add measurements to your photos.