EyeQue PDCheck vs Pupillary Distance Ruler

EyeQue PDCheck is the fastest, easiest, and most accurate way to measure your Pupillary Distance (PD) to order glasses or enjoy your favorite VR headset. PDCheck Frames are REQUIRED for app access. Purchase the PDCheck frames on EyeQue.com! Measure your pupillary distance in three easy steps: Put on your PDCheck Frames Take a selfie (or ask a friend to take a picture of you) using the PDCheck App Adjust the markers to the center or your pupils AND frames Check out our award-winning at-home vision testing products at EyeQue.com.

Measure your interpupillary distance (IPD / PD) in seconds using the same advanced TrueDepth sensors that power Face ID. No rulers, no mirrors, no accounts, no guesswork. Just accurate results you can trust: perfect for ordering glasses online, setting up VR headsets, or keeping track of your family’s vision. Why Choose This App? * Advanced Sensor Accuracy * Uses the iPhone’s TrueDepth camera to calculate your eye centers in 3D space, far more precise than a ruler and mirror. * Safe and Private: Your face never leaves your device. No cloud, no servers, no tracking. The app uses Apple’s secure ARKit APIs and stores only the results you choose to keep. * Simple and Fast: Hold your iPhone in front of you, follow the on-screen guide, and get your PD in less than 10 seconds. Free Features * Quick PD measurement (distance PD) * Live camera guidance with stability detection * One-tap result in millimeters * Educational tips on why PD matters for glasses and VR Pro Features (In-App Purchase) * Advanced Accuracy Mode: more samples, smarter outlier rejection, and a confidence interval with every result * Monocular PD: measure left and right eyes separately — critical for VR headset alignment and premium glasses * History & Profiles: save multiple results over time, track growth in kids, or measure friends and family Export & Share: generate a professional PDF report or share your results instantly with your optician Who It’s For * Anyone ordering glasses online who doesn’t know their PD * VR enthusiasts looking for the sharpest, most comfortable headset fit * Parents who want to measure and track their children’s PD as they grow * Optics hobbyists and tech lovers who want to see what the iPhone’s sensors can really do Privacy First * We believe your face belongs to you. * 100% on-device processing * No photos, meshes, or videos are stored * No logins or accounts * Only the numerical results you choose to save remain on your device Why Pay? * Opticians may charge $20–$40 for a PD measurement. This app gives you accurate, repeatable results for a fraction of the cost: anytime, anywhere. Download today and see your eyes in a whole new way. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/