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
Metropolitan Museum HD
"Thanks to the excellent slideshow and classical music you are losing yourself in this wonderful digital art gallery.” - The iPhone App Review
$1.99 · In-app purchases
PRICE
$1.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.7
104 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.
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 Metropolitan Museum HD: map the core Lifestyle 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 features like guided tours or audio descriptions to enhance engagement.
Assumption to check: Limited interaction with artworks beyond viewing
Validate with people who use this workflow before building.
Hypothesis 2
Simplify the purchase process and provide clear explanations of benefits for each tier.
Assumption to check: In-app purchases can be confusing
Validate with people who use this workflow before building.
Hypothesis 3
Allow users to create personalized collections or wishlists.
Assumption to check: Lack of personalization features
Validate with people who use this workflow before building.
Hypothesis 4
Improve navigation with better categorization and search functionality.
Assumption to check: Navigation can be clunky
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
"Thanks to the excellent slideshow and classical music you are losing yourself in this wonderful digital art gallery.” - The iPhone App Review “You will see, that the graphics of the works come to life on your device.” - Apps Rumors Our app presents paintings from the collections of the Metropolitan Museum (United States). Collection includes the best-known paintings of the museum, such as: - “Bullfight" by Francisco de Goya - "Toledo in a thunderstorm" by El Greco - "Madame Charpentier with her children" by Renoir - "The Abduction of Rebecca" by Delacroix - "Self-Portrait" by Rembrandt Here you will find the works of Rembrandt, Durer, Velasquez, Edgar Degas, Francisco de Goya and many other famous painters. The Metropolitan Museum of Art is the largest art museum in the United States. Represented in the permanent collection are works of art from classical antiquity and Ancient Egypt, paintings from nearly all the European masters, and an extensive collection of American and modern art. Our app guides you through the art gallery of this museum, where you can enjoy the masterpieces of world art and become more erudite. There are rare paintings in the app - download and access them from anywhere. KEY FEATURES - 1500 paintings of more than 500 masters of painting - Separation of paintings by genres and authors - Access to the HD version of works, Paintings Saving in the Photo Album - Email paintings to your friends - Convenient search for paintings - Adding paintings to My favorites - Custom works filter - Slideshow Mode - Download paintings for the offline viewing - Zoom of Paintings Enjoy your viewing!
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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
Zustand
React Navigation
TypeScript
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.
