Best Optics Pd Ruler Apps

249+ iOS apps curated and reviewed

3.5 avg rating

20 free apps

Updated October 2026

Looking for free optics pd ruler apps? 20 of our 249+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Optics Pd Ruler Apps (October 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	PD Measure Ruler	Free	4.0★ (41)	No	Yes	Oct 2026
2	Pupil Distance Meter - Eye PD	Free	4.6★ (607)	No	Yes	Oct 2026
3	Ruler®	Free	4.3★ (35K)	No	Yes	Nov 2026
4	RulerApp	Free	—	—	No	Sep 2026
5	Edge Ruler	Free	—	No	Yes	Sep 2026
6	Real Ruler - Accurate Measure	Free	—	Yes	No	Oct 2026
7	RulerBasic	Free	—	No	No	Aug 2026
8	Ruler - Screen accurate ruler	Free	3.7★ (3)	No	No	Oct 2026

Top Picks for Optics Pd Ruler

#1

PD Measure Ruler by VisTech.Projects LLC

Pupillary Distance Measure Pro

Editor's Choice

📊 Productivity

4.0(41 ratings)

FreeIn-App Purchases

PD Measure Ruler screenshot 1

PD Measure Ruler screenshot 2

PD Measure Ruler screenshot 3

PD Measure Ruler screenshot 4

Accurately measure your pupillary distance (PD) for eyeglasses and VR headsets. Offers both manual and automatic measurement modes for precise results. Optimize your eyewear fit with this user-friendly tool.

#2

Pupil Distance Meter - Eye PD by Arthur Eduardo Skaetta Alvarez Desenvolvimento de Software LTDA.

AR Pupillary distance measure

Strong Contender

💪 Health & Fitness

4.6(607 ratings)

FreeIn-App Purchases

Pupil Distance Meter - Eye PD screenshot 1

Pupil Distance Meter - Eye PD screenshot 2

Pupil Distance Meter - Eye PD screenshot 3

Pupil Distance Meter - Eye PD screenshot 4

Measure your pupillary distance accurately using augmented reality and your device's advanced camera. This app provides measurements for both near and far sight, essential for prescription eyeglasses and VR headsets. Keep a history of your measurements for easy reference.

#3

Ruler® by Tue Nguyen Minh

+ Photo Ruler & AR Measure

Worth Considering

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

More Optics Pd Ruler apps to explore

by Mathieu Rancourt

Hold it to the edge, read it

Real Ruler - Accurate Measure

Real Ruler - Accurate Measure

Real Ruler - Accurate Measure

Actual-size on-screen ruler

Fast, Handy Measuring Tool

Ruler - Screen accurate ruler

Ruler - Screen accurate ruler

Ruler - Screen accurate ruler

measuring app and ruler app

Transform your device into a precise measuring tool. Measure objects, distances, and spaces with fingertip accuracy. Offers real-time results in both metric and imperial units, with professional calibration for your specific device.

Instant touch measurementTwo-finger measurementReal-time results (cm/inches)

Scale Ruler - Pocket Ruler

Scale Ruler - Pocket Ruler

Scale Ruler - Pocket Ruler

Triangular Scale & Ruler

Cetvel ölçü aleti

by NETIGEN Kluzowicz sp. j.

Measure objects directly on your smartphone screen without needing traditional tools. This utility offers an easy-to-use interface with accurate scales in centimeters and inches, supporting both horizontal and vertical measurements.

Measure objects on screenCentimeter and inch scalesHorizontal and vertical display modes

TrueRuler: Pocket Ruler

TrueRuler: Pocket Ruler

TrueRuler: Pocket Ruler

Measure in cm and inches

Ruler - مسطرة

by Al-rahaal Explorer For General Trading, Training And Development Company

A classic ruler

Transform your smartphone into a portable measuring tool. Accurately measure lengths in both inches and centimeters directly from your device.

Converts phone to rulerMeasures in inchesMeasures in centimeters

Ruler: CM, MM & Inches

Ruler: CM, MM & Inches

Ruler: CM, MM & Inches

Measure Length & Caliper Tool

This app provides a highly accurate, actual-size ruler that adapts to any screen. It offers dual-edge measurement, a precision caliper mode, and universal calibration for reliable real-world measurements. It functions offline and is designed for various devices.

Actual-size accuracy on any screenDual-edge metric and imperial scalesPrecision caliper mode for thickness

free with in-app purchases

Super Smart Ruler

Ruler: Tape Measure & Level

Ruler: Tape Measure & Level

Ruler: Tape Measure & Level

Distance, Area, Angle & Height

Ruler: Measure, Level & Tools

Ruler: Measure, Level & Tools

Ruler: Measure, Level & Tools

Ruler, level & compass

Tape Measure, Level, AR Length

TouchCaliper Ruler & Caliper

TouchCaliper Ruler & Caliper

TouchCaliper Ruler & Caliper

On-screen ruler & caliper

FAQ about Optics Pd Ruler

What are the best optics pd ruler apps for iPhone?

PD Measure Ruler tops our optics pd ruler apps ranking as of October 2026, with a 4.0-star average from 41 App Store ratings, and it's free to download.

Are there free optics pd ruler apps for iPhone?

Yes — 20 of the top optics pd ruler apps we rank are free to download, including PD Measure Ruler and Pupil Distance Meter - Eye PD.

Does PD Measure Ruler have ads or in-app purchases?

PD Measure Ruler has no ads and offers in-app purchases, according to its App Store listing as of October 2026.

How many optics pd ruler apps are on the App Store?

We track 249+ optics pd ruler apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.

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designer optics pd ruler