App Overview

Scoliometer: Scoliosis Test icon

Scoliometer: Scoliosis Test

Kevin Lau · Medical

THE #1 SCOLIOSIS SCREENING APP — TRUSTED IN 75+ COUNTRIES

$9.99 · In-app purchases

PRICE
$9.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
4.1
14 ratings · Top 30%

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 Scoliometer: Scoliosis Test: map the core Medical 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

Incorporate a progress tracking feature that visualizes angle changes.

Assumption to check: Limited functionality for tracking progress over time.

Validate with people who use this workflow before building.

Hypothesis 2

Implement a cleaner, more organized UI for better navigation.

Assumption to check: User interface may feel cluttered.

Validate with people who use this workflow before building.

Hypothesis 3

Add push notifications to remind users to take regular measurements.

Assumption to check: Lack of reminders for measurements.

Validate with people who use this workflow before building.

Hypothesis 4

Offer more valuable premium features such as personalized assessment reports.

Assumption to check: Premium features might not justify the cost.

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

THE #1 SCOLIOSIS SCREENING APP — TRUSTED IN 75+ COUNTRIES Developed by Dr Kevin Lau, D.C. — NGO Representative to the United Nations Turn your iPhone into a clinical-grade scoliosis screening tool. Scoliometer measures the Angle of Trunk Rotation (ATR) in seconds — the fastest, most affordable way to check for spinal curvature at home or in the clinic. Trusted by doctors, physiotherapists, chiropractors, and parents in over 75 countries. WHY SCOLIOMETER? • Measures spinal curvature from 0° to 50° — beyond the range of most physical scoliometers • Accurate trunk rotation readings using your iPhone's built-in sensors • Screens for mild to severe scoliosis in seconds • Trusted by medical professionals as a reliable screening companion • No expensive equipment — clinical-grade results right in your pocket • Personalise the meter with beautifully designed skins HOW IT WORKS Have the patient bend forward into the Adam's Forward Bend position and place your iPhone across the spine. Scoliometer instantly reads the Angle of Trunk Rotation, helping identify curves that may need further evaluation. FOR PROFESSIONALS & FAMILIES Whether you're a clinician running routine screenings or a parent monitoring your child's spine at home, Scoliometer gives you a fast, non-invasive check — anytime, anywhere. No appointment needed. FROM A WORLD AUTHORITY ON SCOLIOSIS Dr Kevin Lau is an award-winning chiropractor, bestselling author, and NGO Representative to the United Nations. His bestselling books and clinical research have helped thousands of patients worldwide take control of their spinal health without surgery. Every feature of Scoliometer reflects his decades of expertise. DISCLAIMER Scoliometer is a screening tool and is not a substitute for professional medical diagnosis. Always consult a qualified healthcare provider for clinical evaluation and treatment decisions.

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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
Supabase
React Navigation
Zustand
react-native-paper
BUILD KIT DIFFICULTY
Intermediate

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.