Eye Measure – PD Ruler
Pupillary Distance Measure
Only for iPhone
Free · In‑App Purchases
iPhone
New: Prescription Vault — snap your Rx, keep it next to your PD and get reminded before it expires. Plus guided measuring and optician-ready PDF reports.
Eye Measure – PD Ruler measures your pupillary distance (PD) in seconds with your iPhone's front camera — and keeps all your eye records in one private place.
Measure PD in seconds
• Align your face in the on-screen guide
• The live scan detects both pupils and tells you when it's ready
• Tap Save to store the result with a photo for reference
Key Features
• Far and near PD in millimeters, decimal-precise
• Prescription Vault: photograph the front and back of your prescription and keep it next to your PD
• Expiry reminders 60 and 7 days before your prescription runs out
• PDF Report: export an optician-ready report with your PD and prescription photos
• Full history with photos, notes and search
• Share your results with your optician or online store
• On-device processing: no photos uploaded, no account required
• Available in 40+ languages
Designed for everyday use
Whether you're ordering glasses online, setting up a VR headset or keeping your family's prescriptions organized, Eye Measure makes it easy.
Eye Measure Premium
Measuring is free. Your exact PD, the Prescription Vault, PDF reports and sharing are part of Eye Measure Premium, available as an auto-renewing subscription or a one-time lifetime purchase. Premium supports Family Sharing, so one purchase covers the whole family. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period; manage them anytime in your App Store account settings.
Eye Measure is not a medical device. Always confirm your PD and prescription with an eye care professional.
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
Ratings & Reviews
The biggest update yet — Eye Measure is now your complete eye records app:
• All-new guided measuring — a face guide, live scan and clear "ready" signal make accurate PD effortless
• Prescription Vault — snap the front and back of your paper prescription, add notes, and keep everything next to your PD
• Expiry reminders — get notified 60 and 7 days before your prescription runs out
• PDF Report — export an optician-ready report with your exact PD and prescription photos
• Beautiful new design — refreshed onboarding, home screen and animations throughout
• Premium now includes Family Sharing — one purchase covers the whole family
• Fully localized in 40+ languages
Questions or feedback? Email us from Settings — we read everything.
In-App Purchases
The developer, Ramkumar Vellaisamy, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Usage Data
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Ramkumar Vellaisamy
- Size
- 42.8 MB
- Category
- Medical
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later.
- iPhone
- Languages
English and 33 more
- English, Arabic, Catalan, Croatian, Czech, Danish, Dutch, Finnish, French, German, Greek, Hebrew, Hindi, Hungarian, Indonesian, Italian, Japanese, Korean, Malay, Norwegian Bokmål, Polish, Portuguese, Romanian, Russian, Simplified Chinese, Slovak, Slovenian, Spanish, Swedish, Thai, Traditional Chinese, Turkish, Ukrainian, Vietnamese
- Age Rating
9+
- 9+
- Contains
Health or Wellness Topics
- In-App Purchases
Yes
- Eye Measure Premium $39.99
- Eye Measure Weekly $4.99
- Eye Measure Yearly $24.99
- Copyright
- Copyright © 2026 Reku
