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
Natural History Museum 4 Ever
Learn about the dinosaurs and denizens of the deep sea, living legends, mysterious mammals, kaleidoscopic birds, ravenous reptiles, rare rocks and fabulous fishes
$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's included16 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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Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for Natural History Museum 4 Ever: map the core Travel 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
Integrate social sharing options for exhibits and events.
Assumption to check: Limited user engagement features like in-app messaging or social sharing.
Validate with people who use this workflow before building.
Hypothesis 2
Provide advanced filtering options based on user preferences.
Assumption to check: Inadequate filtering options for large exhibits.
Validate with people who use this workflow before building.
Hypothesis 3
Enable a personalized experience with saved favorites and custom itineraries.
Assumption to check: No personalization features for repeated users.
Validate with people who use this workflow before building.
Hypothesis 4
Add interactive quizzes or AR experiences related to exhibits.
Assumption to check: Lack of interactive elements in exhibit details.
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 about the dinosaurs and denizens of the deep sea, living legends, mysterious mammals, kaleidoscopic birds, ravenous reptiles, rare rocks and fabulous fishes. Eye-catching photography, captivating videos and fascinating facts make this app a great way to be enraptured by this enjoyable collection. Why use the Buddy? * Endlessly entertaining and fun-filled facts about animals * Intuitive interactive maps to get a grip * Interactive visual displays to learn about the exhibits * Mini, short and long tours around the gallery * Great videos showing informative material * Many happy hours of fun and learning * Simple interface intuitive for kids to use * Great way to plan your day around the gallery If you are planning to visit the museum, this app offers unbeatable value that will make your visit memorable and truly special. Upgrade to take advantage of all the interactive maps and displays across the board that will help you get around the museum in a jiffy. Download the Natural History Museum Buddy today and have a blast!
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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 Navigation
Axios
Expo Location
React Native Maps
Zustand
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.
