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
Human Skeleton Quiz
Whether you're studying for an exam, working in healthcare, or just curious about the human body, this app helps you actually remember what you learn — not just skim it.
$2.99 · In-app purchases
PRICE
$2.99
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 should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
What's included14 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 Human Skeleton Quiz: 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 gamification elements like scores, levels, and rewards.
Assumption to check: Limited interactivity and engagement in quiz apps
Validate with people who use this workflow before building.
Hypothesis 2
Introduce new quizzes regularly and user-generated content.
Assumption to check: Poor user retention due to repetitive content
Validate with people who use this workflow before building.
Hypothesis 3
Implement a user profile with detailed progress statistics and achievements.
Assumption to check: Difficulty in tracking progress over time
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
Whether you're studying for an exam, working in healthcare, or just curious about the human body, this app helps you actually remember what you learn — not just skim it. Explore the full human skeleton with clean, interactive visuals designed for clarity and focus. Then put your knowledge to the test with quizzes that reinforce what matters most: bone names, structure, and anatomical terminology. No clutter. No overwhelm. Just simple, effective learning. What you’ll get: • Learn every major bone in the human body • Interactive, easy-to-navigate skeleton views • Quizzes that help you retain knowledge faster • Clear, beginner-friendly anatomy explanations • Designed for quick sessions or deep study Perfect for: • Students (anatomy, nursing, medical, fitness) • Professionals who need a quick refresher • Anyone curious about how the human body works If you’ve ever felt like anatomy is hard to remember, this app changes that. Learn it once. Actually remember it.
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
Axios
Zustand
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.
