PD+ : Easy Pupillary Distance Apple

PD+ : Easy Pupillary Distance

By: Zernike LLC App
Measure PD & Seg Height

Overview

Apple Apps Store
Rating:
4.70 +1
(507)
Version:
1.7.7
Last updated: 2026-03-04
Ranking
#78,633 ▼ 49
Overall

Features & Capabilities

PD+ instantly measures pupillary distance (PD) from a high-resolution facial photo. It provides near and far PD in binocular and monocular modes, with no additional cost. For compatible devices, it also calculates fitting height for frames to ensure lenses are properly centered for optimal vision. Fitting Height is supported on devices with TrueDepth or LIDAR cameras.

Calculators included in PD+ cover Rx Transposition, Vertex Adjustment, Crossed Cylinders (over-refraction), Keratometry Conversion, Visual Acuity Scale, Estimated Visual Acuity, Minimum Blank Size (MBS), and Simple Magnifier and Spectacle Magnifications, enabling a comprehensive eyewear fitting workflow.

User Growth & Download Statistics

App Photography Education
By:
Zernike LLC
Rating:
4.70
(507) 1 new ratings
Version:
1.7.7 Last updated: 2026-03-04
Version code:
882993330
Creation date:
2022-08-23
Compatible devices:
Size:
76.09MB
URLs:
Privacy policy
Full description:
See detailed description
Source:
Apple Apps Store
Data ingested on:
2026-07-23
Compare stats and ranking:

Ranking

# 78,633 ▼ 49

For Developers

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Contact the developer

Chrome-Stats does not own this Apple app. Please use these information below to contact the Apple app developer.
Developed by:
Zernike LLC
Apple Apps Store
https://apps.apple.com/us/app/pd-easy-pupillary-distance/id1560353383

User Reviews

Users largely praise the app for ease of use, quick PD checks, and features like voice instructions and seg height measurements. A recurring theme is unreliable accuracy: many reviews report inconsistent results across attempts and significant deviation from optician measurements (off by 4–6 mm, 20% off). Several caution against using it for prescriptions, and a few report crashes or inaccurate frame-size guidance. Overall, it’s convenient but not dependable for professional eyewear prescriptions.
Pros
  • Accurate and precise PD measurements.
  • User-friendly and easy to use interface.
  • Convenient for pocket on-the-go PD checks.
  • Voice-guided instructions for measuring.
  • Includes seg height measurement.
Cons
  • PD results are often inaccurate and vary across attempts.
  • Not reliable for prescription decisions; should be verified by an optician.
  • Results frequently do not match optician’s measurements.
  • App stability issues (crashes).
  • Frame size recommendations can be inaccurate.
Recent reviews
Good great grand wonderful
by Ch*****, 2026-07-18
10mm less than what's on my prescription
by Co*****, 2026-06-22
View all user reviews ›

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