Best Ruler alternatives: apps like Ruler - Screen accurate ruler

10+ similar apps compared and reviewed

4.4 avg rating

10 free apps

Updated October 2026

Ethan Dietrich

Whether you want more options like Ruler or a completely different take on the same concept, our curated list of 10+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.

Top Alternatives to Ruler

Infinite Ruler by Eric Savoie

Fractional ruler & measure

Editor's Choice

🔧 Utilities

5.0(2 ratings)

Free

Measure objects with precision using a digital ruler that extends beyond your screen. Choose fractional inch or centimeter units and calibrate for accuracy. Ideal for quick measurements when a physical tool isn't available.

Pocket,Ruler by 旭王

Small item measurement

Strong Contender

🔧 Utilities

0.0(0 ratings)

FreeAds

ScreenRuler - Measure Length by pilyeong heo

Real cm & inch ruler on screen

Worth Considering

🔧 Utilities

0.0(0 ratings)

Free

ScreenRuler - Measure Length screenshot 1

ScreenRuler - Measure Length screenshot 2

ScreenRuler - Measure Length screenshot 3

More apps like Ruler

Inch Ruler device size measure

your device as Ruler, measure.

Ruler - Screen Measure Tool

Quick Measure - Precise Ruler

AR Measurement & Smart Tape

Free

This utility app provides a digital and augmented reality ruler for precise measurements. It includes features like unit conversion, a built-in level, and the ability to record and store measurement data.

Digital ruler for precise length measurementsAR ruler for measuring distances in real-world environmentsMeasurement recording and storage

Smartphone as a Ruler

Free

Transform your smartphone into a precise measuring tool. This utility app allows you to measure lengths and distances directly on your device's screen. Ideal for quick estimations and practical applications.

Smartphone as a rulerMeasure lengthsMeasure distances

🔧 Utilities

(6)

free with in-app purchases

Compare with Ruler

Ruler 2.0 - inch, mm, cm

High measurement accuracy

Free

This app provides a precise on-screen measuring tool for your iPhone or iPad. Easily measure length and width in centimeters, millimeters, or inches, with options to save measurements as photos and customize the ruler's appearance. It's designed for accurate, user-friendly measurements.

On-screen rulerMeasure length and widthCentimeters, millimeters, inches

Measure & Calibrate with Ease.

Free

Transform your device into a precise digital caliper for measuring objects in inches and millimeters. Features intuitive drag-and-measure functionality and accurate screen calibration using common items.

Dual measurement units (inches/millimeters)Intuitive drag-and-measure interfaceAccurate screen calibration

🔧 Utilities

(1)

free with in-app purchases

Compare with Ruler

Ruler / Measuring Tape

Measure on screen, AR & paper

Free

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 screenAugmented reality measurementPrintable ruler via AirPrint