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
BOM Weather
australia's official weather app from the bureau of meteorology (bom).
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.7
501 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 BOM Weather: map the core Weather 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 multiple reliable APIs for more accurate forecasts.
Assumption to check: Inaccurate weather data at times
Validate with people who use this workflow before building.
Hypothesis 2
Allow users to set specific thresholds for alerts.
Assumption to check: Limited customization options for alerts
Validate with people who use this workflow before building.
Hypothesis 3
Simplify the settings menu with clearer categories.
Assumption to check: Cluttered UI for settings
Validate with people who use this workflow before building.
Hypothesis 4
Optimize API calls and implement caching strategies.
Assumption to check: Slow loading times during peak usage
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
australia's official weather app from the bureau of meteorology (bom). download the bom weather app for access to hourly and 7-day forecasts, radar and warnings – wherever you are. bom weather is free and ad free on mobile and tablet devices. it features: - widgets so you can see the weather at a glance - offline mode for moments when you don't have internet the bom weather app includes: current weather - temperature and icon - 'feels like' temperature - rain - wind speed, direction and gust (in knots and km/h) - humidity - rainfall since 9 am - local text forecast forecasts - hourly forecast temperature, wind, gust, humidity, dew point and rain for the next 72 hours - 7-day forecast - total wave height and direction (for relevant locations) - sunrise and sunset times - uv and moon phase - fire danger rating - waters forecast and summary for the coming days, including tides (for relevant locations) map - see rain 90 minutes into the past and future - view active warnings and access warning details - pan and zoom to anywhere in australia - your location is marked on the map - see optimal radar coverage areas while viewing rain warning notifications - warning notifications for up to 3 locations around australia - includes notifications for coastal hazards, fire weather, flood, heatwave, marine wind, severe thunderstorm, severe weather, tropical cyclone, and tsunami past weather - latest highs and lows, including highest and lowest temperature, highest wind gust and total rain - 72 hours of temperature, wind and rain locations - use your current location - save your favourite locations - search for any location in australia - view your recent location widgets - see weather details for your current or selected location - provides current, minimum and maximum temperature and more - add one or many widgets for locations around australia
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
Axios
React Navigation
Redux
React Native Reanimated
BUILD KIT DIFFICULTY
Advanced
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.
