App Overview

Pupil Distance PD Measure icon

Pupil Distance PD Measure

GlassifyMe · Health & Fitness

App Store's highest-rated app to measure your Pupil Distance quickly and accurately

$7.99 · In-app purchases

PRICE
$7.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
4.6
2,733 ratings · Top 15%

Evidence scope: No current overall US chart position is available. Category-chart positions shown in discovery are a separate scope. Revenue is a directional model estimate, not verified earnings.

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Build Kit

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A product spec, screen plans, and build steps for your coding agent.

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What's included17 files

A product spec, phased build plan, differentiation notes, and screen references.

  • START_HERE
  • AGENTS
  • EVIDENCE
  • SPEC
  • BUILD_PLAN
  • DIFFERENTIATION
  • skills/
  • screens/
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Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.

Feature spec

Goal: Send a clear invoice after finishing a job.

  • Add a client, line items, a due date, and payment instructions.
  • Preview the total before exporting a PDF.
  • Keep an editable draft if export fails.

Screen plan

Invoice editor: Client at the top, editable line items in the middle, total and preview action at the bottom.

States: Empty draft, validation errors beside each field, exporting, and a retry action that preserves the draft.

Differentiate and validate

Hypothesis: Contractors need faster repeat invoices more than more templates.

First experiment: Test duplicating a previous job with five contractors. Watch where they hesitate before expanding the feature set.

The full kit adds a phased build plan, evidence notes, tool prompts, and implementation guidance. It is a plan for your coding agent, not a finished app.

Usage: Mechanics are fair game; never reuse the original name, branding, assets, or verbatim copy.

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Free quick prompt For a smaller starting point

Quick prompt

> SELECT BUILD PLATFORM:

Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.

// RORK SYSTEM PROMPT
Rork plan preview for Pupil Distance PD Measure: map the core Health & Fitness workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
            

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Opportunities

AI-GENERATED OPPORTUNITY HYPOTHESES

These are generated suggestions, not verified review quotations. Check current App Store reviews and speak with users before treating a possible gap as a requirement.

Hypothesis 1

Implement a dynamic guide that assists users during alignment.

Assumption to check: Users report difficulty in aligning pupils for measurement.

Validate with people who use this workflow before building.

Hypothesis 2

Add a detailed history of measurements with trends over time.

Assumption to check: Limited functionality for saving and tracking past measurements.

Validate with people who use this workflow before building.

Hypothesis 3

Enhance permission request flow with clearer instructions.

Assumption to check: Occasional issues with camera permissions not being granted.

Validate with people who use this workflow before building.

Hypothesis 4

Simplify the navigation and improve onboarding.

Assumption to check: Some users find the app's interface confusing.

Validate with people who use this workflow before building.

App evidence

Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.

App Store description

App Store's highest-rated app to measure your Pupil Distance quickly and accurately. Measure your PD in seconds and order your next pair of glasses online for less. PD, short for Pupillary Distance, is the distance between the center of your pupils in millimetres. This measurement is vital for the manufacturing of your prescription eyeglasses. This measurement is also useful for VR (Virtual Reality) Headsets. App provides: • Distance PD - For making regular glasses for everyday use. • Reading PD - For making reading-only glasses, useful for phone/tablet use. • Computer PD - Useful for desktop, laptop and notebook computers. • VR PD - For use in Virtual Reality headsets. Our app uses advanced algorithms to calculate your PD. Check out our positive reviews by thousands of satisfied customers. ------------ • For iPhone X and later models, use fully automated PD measurement in less than 3 seconds OR choose manual measurement method. • Over 300 readings are taken and our advanced algorithm provides the most accurate results. ------------ • For models before iPhone X, Measure your PD in 3 quick steps. • User-friendly interface and detailed help step-by-step. • Advance algorithm fine-tuned over five years, calculates and gives precise results. • Pupils are automatically detected.

Written user reviews are not shown here. Check current App Store reviews >

Screenshots

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Build scope

Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.

Define the first version

Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.

Set boundaries

Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.

Check the hard parts

Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.

SUGGESTED BUILD STACK
React Native
Expo
react-navigation
expo-camera
react-native-reanimated
expo-permissions
BUILD KIT DIFFICULTY
Advanced

From the Build Kit assessment.

A reliable timeline needs an agreed scope and a technical check. Ask your agent to estimate the phases in BUILD_PLAN.md after that review.