# Eye Measure – PD Ruler — Pupillary Distance Measure

> iPhone camera app to measure pupillary distance (PD) with photo and notes. (iPhone/iPad app by Ramkumar Vellaisamy.)

- Source: https://appshunter.io/ios/app/eye-measure-pd-ruler/id6758764611 (this page in markdown: same URL + `.md`)
- Developer: [Ramkumar Vellaisamy](https://appshunter.io/developer/1706335914)
- Category: Medical
- Price: Free with in-app purchases
- Rating: 4.60/5 from 10 App Store ratings · 2 written reviews indexed
- Age rating: 4+
- Requires: iOS 17.0 · 36 MB
- Languages: British English, Arabic, Catalan, Croatian, Czech, Danish, Dutch, Finnish, Canadian French, German (Germany) and 24 more
- Released: 2026-02-27
- Data updated: 2026-08-24
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/eye-measure-pd-ruler/id6758764611/reviews.md

## What is Eye Measure?

Eye Measure – PD Ruler helps you measure your pupillary distance (PD) quickly using your iPhone camera. Save results with a photo, add notes, and export anytime. Everything is designed to be simple, fast, and private.
Measure PD in seconds
	•	Open the camera and align your face
	•	The app detects both pupils and measures the distance between them
	•	Tap Save to store the result with an image for reference

Key Features
	•	Measures pupil-to-pupil distance (PD) in millimeters
	•	Each saved measurement includes the captured image for easy verification
	•	View your last measurements anytime
	•	Compare results and keep a record over time
	•	Add details like glasses/contact lens, lighting, or any context
	•	Export your saved results and share when needed
	•	On-device processing
	•	No account required

Designed for everyday use
Whether you’re ordering glasses online or tracking your PD over time, Eye Measure makes it easy to get a clear result and keep it organized.

Important: Some advanced features, including Eye PD measurement, require a separate in-app purchase and are not included in the free version.

Support: support@reku.dev
Privacy Policy: https://reku-indie.notion.site/Privacy-Policy-3038c096503c80099cabf39c57a32696?source=copy_link
Terms of Use: https://reku-indie.notion.site/Terms-of-Service-3038c096503c8073abf7fc3d1449326d?source=copy_link

## Key features

- Measure pupillary distance (PD) in millimeters
- Save measurements with captured images
- View and compare past measurements
- Add notes and context to measurements
- Export and share results
- On-device processing for privacy
- No account required

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Eye Measure Premium | $9.99 | one-time |


## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/eye-measure-pd-ruler/id6758764611/reviews.md

### 1/5 — NO FREE VERSION

*2026-03-05*

We can’t even review your app you force us into a premium subscription terrible

**Developer response:** Sorry for the frustrating experience. We understand that users want to try an app before committing, especially for measurement tools. We’ll review the onboarding and purchase flow to make the premium requirement clearer and improve the overall experience. Thank you for the feedback.

### 5/5 — Great app

*2026-03-03*

It measured my eye distance perfectly. Useful for my frames.

## Frequently asked questions about Eye Measure

### How does Eye Measure work?

Eye Measure uses your iPhone's camera to detect your pupils and calculate the distance between them in millimeters. You can then save this measurement along with a photo for future reference.

### What are the benefits of using Eye Measure?

It offers a quick and simple way to get your pupillary distance, essential for ordering glasses online. The app allows you to save results with images, add notes, and export them, all while prioritizing your privacy with on-device processing.

### Is Eye Measure free to use?

The app is free to download and use for basic pupillary distance measurement. However, some advanced features, including Eye PD measurement, require a separate in-app purchase.

### Does Eye Measure have ads?

No, Eye Measure does not contain advertisements. The app is designed to be ad-free, focusing on a clean user experience.

### What devices is Eye Measure compatible with?

Eye Measure is currently supported on iPhone devices. It was last updated on February 27, 2026, with version 1.0.

### Can I share my measurements from Eye Measure?

Yes, you can export your saved results from Eye Measure and share them as needed. This is useful for sending your PD to an optician or for your records.

### Is my data private with Eye Measure?

Eye Measure is designed with privacy in mind. All processing is done on-device, and no account is required to use the app, ensuring your measurements are kept private.

### What is the age rating for Eye Measure?

Eye Measure has an age rating of 4+, making it suitable for a wide range of users. The app focuses on a straightforward utility for measuring pupillary distance.

## Version history (last 2 releases)

### 1.0.1 — 2026-08-11

• Redesigned onboarding and a new step-by-step “How it works” guide
• New measurement detail screen with a large, easy-to-read PD value
• Long-press a saved measurement to copy the PD or delete it
• Refreshed Home and Settings screens
• Improved translations, bug fixes, and performance improvements

### 1.0 — 2026-02-27

No release notes.

## More apps by Ramkumar Vellaisamy

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All apps by Ramkumar Vellaisamy: https://appshunter.io/developer/1706335914

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-24.*