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.
App Overview
Skin cancer scoring
The Skin Cancer Scoring app is a powerful tool for healthcare professionals and medical students worldwide
$2.00 · In-app purchases
PRICE
$2.00
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
N/A
No ratings yet
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.
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
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for Skin cancer scoring: map the core Entertainment 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 gamification elements to encourage scoring and sharing results
Assumption to check: Limited user engagement due to lack of interactive features
Validate with people who use this workflow before building.
Hypothesis 2
Provide links to educational content about skin health
Assumption to check: Lack of detailed medical resources or support
Validate with people who use this workflow before building.
Hypothesis 3
Add a forum or community section for user support and sharing
Assumption to check: No community aspect for users to share experiences
Validate with people who use this workflow before building.
Hypothesis 4
Introduce subscription tiers for ongoing access to premium features
Assumption to check: Single purchase model may limit user access
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 Skin Cancer Scoring app is a powerful tool for healthcare professionals and medical students worldwide. With over 4000 downloads on iOS alone and users in dozens of countries, this app provides an accurate and user-friendly way to score melanocytic lesions based on the ABCDE criteria. As skin cancer continues to be a leading cause of cancer-related deaths, the Skin Cancer Scoring app offers a cost-effective and convenient solution that can help healthcare professionals make informed decisions about patient care and treatment options. Whether you're looking to improve your diagnostic skills or learn more about skin cancer diagnosis and treatment, the Skin Cancer Scoring app is a must-have tool. Join the growing number of users around the world and download the app today! Please note that the app should not be used as a substitute for professional medical advice and should be used in conjunction with professional medical guidance. DISCLAIMER: THIS APP DOES NOT PROVIDE MEDICAL ADVICE Medical Advice Disclaimer This app is for use by trained clinicians as a reference tool. The information, including but not limited to, text, graphics, images and other material contained on this app are for informational purposes only. No material on this app is intended to be a substitute for professional medical advice, diagnosis or treatment. Always seek the advice of your physician or other qualified health care provider with any questions you may have regarding the medical condition.
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
Zustand
Axios
React Navigation
expo-image-picker
BUILD KIT DIFFICULTY
Starter
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.
