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
Park Explorer NC
Discover and explore all 36 of North Carolina's beautiful state parks with Park Explorer NC! Whether you're an avid hiker, casual explorer, or planning your next outdoor adventure, this app is your complete guide to t...
$0.99 · In-app purchases
PRICE
$0.99
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.
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 included15 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 Park Explorer NC: 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
Provide extensive details on each park, including user-generated content.
Assumption to check: Limited park information and details.
Validate with people who use this workflow before building.
Hypothesis 2
Implement in-app messaging and sharing features.
Assumption to check: Poor user engagement features.
Validate with people who use this workflow before building.
Hypothesis 3
Allow users to download park information for offline use.
Assumption to check: No offline access.
Validate with people who use this workflow before building.
Hypothesis 4
Introduce user profiles with personalized recommendations.
Assumption to check: Lack of personalization options.
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
Discover and explore all 36 of North Carolina's beautiful state parks with Park Explorer NC! Whether you're an avid hiker, casual explorer, or planning your next outdoor adventure, this app is your complete guide to the natural wonders of the Tar Heel State. FEATURES • Interactive Map View all NC state parks on an interactive map. Tap any park to see details, get directions, and explore nearby trails. • Comprehensive Park Information Access detailed information about each park including location, size, region, contact details, and more. • Trail Explorer Discover hiking trails with information about length, difficulty, and trail type. Plan your next adventure with confidence. • Track Your Adventures Mark parks as visited and build your personal collection of North Carolina's natural treasures. Track your progress toward visiting all 36 parks! • Favorites Save your favorite parks for quick access and easy trip planning. • Sort & Filter Find parks by name, region, size, or distance from your current location. Easily discover new parks near you. • Get Directions Quickly navigate to any park or trailhead using Apple Maps integration. • Progress Tracking See your exploration statistics, track visited parks, and watch your progress grow with milestone achievements. • Offline Access All park and trail data is available offline. Perfect for when you're out exploring nature! ABOUT THE DATA Park Explorer NC includes comprehensive information about all North Carolina state parks, including: - 36 State Parks - 100+ Hiking Trails - Location coordinates - Park details - Links to Park Websites and Contact information - Regional organization Whether you're exploring the mountains in the west, the piedmont in the center, or the coastal regions in the east, Park Explorer NC is your perfect companion for discovering North Carolina's incredible state parks. Start your adventure today! Note: This app requires location permission to show nearby parks and sort by distance. Your location is never stored or shared. An internet connection is required for map display and directions.
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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
Zustand
React Navigation
Axios
Firebase
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.
