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
Gold Maps NSW
introducing gold maps nsw - the ultimate tool for gold and gemstone prospecting in new south wales
$24.99 · In-app purchases
PRICE
$24.99
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 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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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 Gold Maps NSW: map the core Navigation 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 robust offline maps and caching.
Assumption to check: Limited offline functionality in navigation apps.
Validate with people who use this workflow before building.
Hypothesis 2
Enhance data accuracy with real-time updates.
Assumption to check: Inaccurate location data can frustrate users.
Validate with people who use this workflow before building.
Hypothesis 3
Adopt a minimalist design for better usability.
Assumption to check: Users often find the UI cluttered.
Validate with people who use this workflow before building.
Hypothesis 4
Offer tiered pricing with more flexible options.
Assumption to check: High subscription costs deter users.
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
introducing gold maps nsw - the ultimate tool for gold and gemstone prospecting in new south wales. with data compiled from relevant state resource authorities, we've created a comprehensive maps that cover the entire state. whether you're a seasoned gold miner or just looking for a weekend fossick, our maps have everything you need to know. discover historical mines, known alluvial deposits, and current mining operations all in one place. with thousands of placemarks all over nsw, you'll never run out of gold-bearing ground to explore. and now, with the added feature of gemstone and resource locations, you can expand your prospecting horizons even further. take the guesswork out of prospecting with gold maps nsw, and start finding gold and gems today. deposits nearby? or love a week end fossick? with gold maps nsw you can take the guess work out of searching. with data compiled relevant state resource authorities we have combined all of this into one map that covers the whole of nsw. all of the historical mines are there along with know alluvial deposits and current mines. with thousands of place marks all over nsw you will never run out of gold bearing ground for a long while.now with gemstone and resource locations all data sourced from © commonwealth of australia (geoscience australia) 2023.
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
Supabase
react-navigation
axios
expo-location
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.
