Comparison

Ruler® vs iRuler Plus

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Ruler®

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.

Highlights
  • Classic ruler and tape measure
  • Camera ruler mode
  • Photo measures mode
  • Dual unit support (inches/cm)
  • Precision sliders for small objects
  • Elegant and user-friendly interface
Features
Read full description

Your Comprehensive Ruler Solution for Your Phone! Experience the ultimate ruler toolkit on your phone, featuring a classic ruler, a tape measure, and a camera ruler. Key Features: - Elegant Design: Enjoy a stylish and user-friendly interface for all your measurement needs. - Dual Units: Easily switch between inches and centimeters for versatile measuring. - Precision Sliders: Accurately measure small objects with intuitive sliders. - Camera Ruler Mode: Utilize your phone's camera to measure objects seamlessly. - Photo Measures Mode: Add measurement data directly to your photos for organized documentation. Make every measurement a breeze with our complete ruler solution! Download now for a sleek and efficient measuring experience. Terms Of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

iRuler Plus

Measure lengths in centimeters or inches with this virtual ruler app. It offers a user-friendly interface with customizable color themes and styles. Easily measure small objects or long items up to 120 cm.

Highlights
  • Measure in cm or inches
  • Up to 120 cm scroll ruler
  • Measure small objects with stick ruler
  • Multiple ruler themes and colors
  • Easy to use interface
Features
Read full description

iRuler Plus is a Free application that helps you measure length in cm or inches. This app is easy to use and has a beautiful design with so many colors and styles. How to use it? 1. Place your iPhone alongside the object. 2. Move the phone while touching the screen. Key feature: - Very long scroll ruler, up to 120 cm in length. - Measure small object like a coin,... using stick ruler with 2 slider - Many ruler themes with beautiful color, we'll add more themes in the next version

Screenshots

Ruler®4 screens
iRuler Plus4 screens

Verdict

The call

The clearest difference is rating: Ruler® at 4.3 against iRuler Plus's 1.7. Ruler® also leads on ads (none vs shown) and update cadence (every 2 months vs every 52 months). iRuler Plus's advantage is iOS requirement (9.0 vs 15.0). On price, in-app purchases, monetization model and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Ruler® sells 2 in-app purchases, starting at $1.99 per 7 days and iRuler Plus sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Ruler® holds the better App Store score, 4.3 against 1.7. That said, the two scores are not equally well evidenced: Ruler® has 35K ratings behind it against 15, so its average is the more settled of the two. Written reviews point the same way: 22% of Ruler®'s written reviews are positive against 0% of iRuler Plus's.

UpkeepUpdate frequency

Ruler® ships an update every 2 months, iRuler Plus every 52 months. The most recent releases landed on October 14, 2026 and September 26, 2026 respectively.

Scorecard6 real differences · 4 level
Ruler® versus iRuler Plus: the parameters behind the verdict, then further details
ParameterRuler®iRuler Plus
PriceFreeFree
Rating4.3 (35K ratings) — better1.7 (15 ratings)
Positive reviews21.9% of reviews — better0.0% of reviews
Number of ratings35K — better15
Update frequencyEvery 2 months — betterEvery 52 months
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.09.0 — better
Further details — not scored
Size22 MB11 MB
Age rating4+4+
DeveloperTue Nguyen MinhCONG DUC TRAN

Customer experience

Ruler®

All ratings35,102 ratings
Positive82.9%
Neutral4.0%
Negative13.1%
Written reviews575 reviews
Positive21.9%
Neutral2.8%
Negative75.3%

iRuler Plus

All ratings15 ratings
Positive13.3%
Neutral6.7%
Negative80.0%
Written reviews11 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Bugs and requests

Ruler®

Reported bugs

2 issues
  • Inconsistent measurements
  • Compatibility issues with newer devices

Requested features

3 requests
  • Ability to switch between metric and imperial units without paying
  • Improved accuracy for larger measurements
  • Removal of time limits on free usage

iRuler Plus

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

Ruler®

Subscriptions1
  • Ruler Pro (Weekly)3 Days trial$1.997 Days
One-time1
  • Pro Features$1.99
1 purchases

iRuler Plus

One-time1
  • iRuler Premium$1.99

Questions

Is Ruler® free?
Ruler® is free to download, with in-app purchases available.
Is iRuler Plus free?
iRuler Plus is free to download, with in-app purchases available.
Which has better reviews, Ruler® or iRuler Plus?
Ruler® is rated higher. Ruler® averages 4.3 out of 5 from 35K ratings, while iRuler Plus averages 1.7 from 15 ratings.
Do Ruler® or iRuler Plus have ads?
iRuler Plus shows ads; Ruler® does not.
Which is updated more often, Ruler® or iRuler Plus?
Ruler® ships an update every 2 months, and iRuler Plus every 52 months. Most recently, Ruler® was updated on October 14, 2026 and iRuler Plus on September 26, 2026.

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