PDgo: Pupillary Distance

Your PD, measured automatically and accurately in 10 seconds. Just open PDgo and tap Start Measuring. Everything else happens on its own. Nothing to figure out.

PDgo measures your pupillary distance (PD) in seconds using your iPhone's TrueDepth camera — no ruler, no mirror, no guesswork.

Most online optical stores ask for your PD when you order glasses. PDgo gives you a reliable reference number right from your phone.

HOW IT WORKS

1. Align your eyes inside the on-screen guide
2. Hold still — PDgo automatically captures three rounds
3. View your result and it's saved to your records

WHAT YOU GET • Total PD plus left and right monocular PD • Near PD conversion for reading distance • A confidence rating based on measurement stability • Local history — rename, search, and review your measurements anytime • Lens guidance: index, coating, and shape suggestions based on your prescription

PRIVATE BY DESIGN • All processing happens on your iPhone • Camera frames and depth data are never uploaded • No account, no sign-in required

REQUIREMENTS & ACCURACY PDgo requires an iPhone with Face ID (TrueDepth camera). Results are a reference for ordering eyewear and talking with your optician — for medical decisions, please rely on a professional eye exam.

PRICING Unlock your result with a one-time purchase, or get unlimited measurements with a yearly plan. Prices are shown in your local currency at checkout. The yearly plan auto-renews and can be canceled anytime in your Apple ID settings.

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