Comparison

Screen 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

Screen Ruler

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.

Highlights
  • Dual units (cm/inches)
  • Precision calibration
  • Magnifier mode
  • Haptic feedback
  • Clean interface
  • Save and label measurements
Features
Read full description

Turn your iPhone or iPad into a calibratable digital ruler for measuring small objects directly on the screen. Screen Ruler supports centimeters and inches, magnifier-assisted alignment, and haptic feedback. Measure Small Objects on Your Screen Use Screen Ruler for stationery, frames, craft materials, and other small objects that fit along your device screen. Place the object directly on the screen, move the measurement marks to its edges, and read the length. Core Features • Calibratable ruler: Match the scale to an object of known length and save calibration for your device. • CM and inch scales: Switch between centimeters and inches for everyday measurements. • Magnifier assist: Align measurement marks with object edges more confidently. • Haptic feedback: Feel subtle feedback while adjusting the marks. How to Get More Reliable Results For best results, place the object directly on the screen and check the scale against a known length. Calibrate the ruler if you notice an offset. Accuracy and Limitations Screen Ruler is designed for short, everyday measurements. Accuracy depends on device calibration, screen placement, and how precisely the marks are aligned. It does not use the camera or AR and is not intended for measuring rooms or large objects. Feedback: ankek1er@gmail.com

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

Screen Ruler1 screens
iRuler Plus4 screens

Verdict

The call

The clearest difference is review sentiment: Screen Ruler at 55% against iRuler Plus's 0%. Screen Ruler also leads on rating (3.7 vs 1.7) and update cadence (every 3 months vs every 52 months). iRuler Plus's advantage is iOS requirement (9.0 vs 15.0). On price, ratings volume, ads and in-app purchases 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. Screen Ruler sells 2 one-off in-app purchases 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

Screen Ruler holds the better App Store score, 3.7 against 1.7. Both are backed by a comparable volume of ratings — 24 and 15 respectively. Written reviews point the same way: 55% of Screen Ruler's written reviews are positive against 0% of iRuler Plus's.

UpkeepUpdate frequency

Screen Ruler ships an update every 3 months, iRuler Plus every 52 months. The most recent releases landed on October 17, 2026 and October 12, 2026 respectively.

Scorecard4 real differences · 6 level
Screen Ruler versus iRuler Plus: the parameters behind the verdict, then further details
ParameterScreen RuleriRuler Plus
PriceFreeFree
Rating3.7 (24 ratings) — better1.7 (15 ratings)
Positive reviews54.8% of reviews — better0.0% of reviews
Number of ratings24 — better15
Update frequencyEvery 3 months — betterEvery 52 months
AdsYesYes
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
Size18 MB11 MB
Age rating+44+
Developer向阳 杨CONG DUC TRAN

Customer experience

Screen Ruler

All ratings24 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews31 reviews
Positive54.8%
Neutral6.5%
Negative38.7%

iRuler Plus

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

In-app purchases

2 purchases

Screen Ruler

One-time2
  • Ads-free experience$1.99
  • Support for a cup of coffee$2.99
1 purchases

iRuler Plus

One-time1
  • iRuler Premium$1.99

Questions

Is Screen Ruler free?
Screen 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, Screen Ruler or iRuler Plus?
Screen Ruler is rated higher. Screen Ruler averages 3.7 out of 5 from 24 ratings, while iRuler Plus averages 1.7 from 15 ratings.
Do Screen Ruler or iRuler Plus have ads?
Both Screen Ruler and iRuler Plus show ads.
Which is updated more often, Screen Ruler or iRuler Plus?
Screen Ruler ships an update every 3 months, and iRuler Plus every 52 months. Most recently, Screen Ruler was updated on October 17, 2026 and iRuler Plus on October 12, 2026.

Other comparisons