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
Anatomy Quiz Pro
Learn anatomy easily with this unique quiz app that features traditional multiple-choice quizzes on 416 structures, or our new quiz style where you match a name to one of four images
$2.99 · In-app purchases
PRICE
$2.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.0
26 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.
Build your own version
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/
Preview a sample Build Kit No email needed
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 Anatomy Quiz Pro: 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 user-generated questions and community features.
Assumption to check: Limited question variety may lead to boredom
Validate with people who use this workflow before building.
Hypothesis 2
Add detailed explanations and references for each question.
Assumption to check: Lack of detailed explanations for answers
Validate with people who use this workflow before building.
Hypothesis 3
Implement progress tracking and user analytics to enhance learning experience.
Assumption to check: No progress tracking or analytics
Validate with people who use this workflow before building.
Hypothesis 4
Provide clear descriptions and benefits for in-app purchases.
Assumption to check: In-app purchases are unclear
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
Learn anatomy easily with this unique quiz app that features traditional multiple-choice quizzes on 416 structures, or our new quiz style where you match a name to one of four images. You can make your own quizzes, or have the app quiz you only on what you have missed. Includes over 416 anatomical structures in beautiful 3d renderings. The topics include 167 bones and landmarks, 138 muscles, and 111 organ images. Turn on the timer option for an extra challenge! Try this unique anatomy quiz game and you'll be happy you did! A quick anatomy lesson: this app features ALL the bones and many landmarks, but in the bone section, there are only 53 bones listed.... aren't there 206 bones in the body? Most of the bones are bilateral... one on each side, so we don't quiz the right femur and left femur, this cuts the list down almost in half. Many bones are repeat... 12 ribs on each side, 10 distal phalanges, 10 proximal phalanges... When we take out all these repetitive bones, we are left with about 53 unique bones.... so please know that this app has been designed by experienced intelligent anatomists!
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
redux
@react-native-gesture-handler
expo-sound
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.
