Best Vertical Ruler Apps

244+ iOS apps curated and reviewed

4.1 avg rating
20 free apps
Updated November 2026

Whether you're new to vertical ruler or looking for an upgrade, our curated collection of 244+ 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 (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Ruler®Ruler®Free4.3★ (35K)NoYesNov 2026
2Ruler •Ruler •Free4.2★ (422)YesNoNov 2026
3Super RulerSuper RulerFree—YesNoMay 2026
4Life-Size RulerLife-Size RulerFree3.3★ (7)NoNoNov 2026
5Ruler & Tape Measure – AR ToolRuler & Tape Measure – AR ToolFree—YesYesOct 2026
6Ruler - Screen accurate rulerRuler - Screen accurate rulerFree3.7★ (3)NoNoOct 2026
7Ruler: Measure, Level & ToolsRuler: Measure, Level & ToolsFree—YesNoAug 2026
8Ruler: Measure CM, MM & InchesRuler: Measure CM, MM & InchesFree5.0★ (2)YesYesNov 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
Ruler •#2

Ruler • by Matrix Software Co.

Includes Camera (AR) Ruler
Strong Contender
🔧 Utilities
4.2😞(422 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 November 2026, with a 4.3-star average from 35K App Store ratings, and it's free to download.
Yes — 20 of the top vertical ruler apps we rank are free to download, including Ruler® and Ruler •.
Ruler® has no ads and offers in-app purchases, according to its App Store listing as of November 2026.
We track 244+ vertical ruler apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.