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
WeatherPro
WeatherPro is a reliable, award winning app that offers unrivalled, high-quality, detailed information, including Apple Watch support
$0.99 · In-app purchases
PRICE
$0.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.7
3,845 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/
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 WeatherPro: 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
Enhance alert notifications and provide real-time updates.
Assumption to check: Limited features for severe weather alerts
Validate with people who use this workflow before building.
Hypothesis 2
Integrate multiple weather APIs for improved data reliability.
Assumption to check: Inconsistent data accuracy based on location
Validate with people who use this workflow before building.
Hypothesis 3
Allow users to customize themes or layouts.
Assumption to check: No customization options for UI themes
Validate with people who use this workflow before building.
Hypothesis 4
Expand radar feature to cover more regions and provide detailed maps.
Assumption to check: Limited geographic coverage for radar features
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
WeatherPro is a reliable, award winning app that offers unrivalled, high-quality, detailed information, including Apple Watch support. These features are all brought to you by passionate weather professionals – hence the name WeatherPro! • 7-day forecast data in periods of 3 hours • Weather reports for 2 million worldwide locations • Comprehensive detail on temperature, wind direction/ speed, air pressure, precipitation amount/ probability, relative humidity, UV index, feels like temperature and more • Worldwide alerts and warning levels for extreme weather • Unlimited favourite locations synchronisable via iCloud • Connection to Netatmo personal weather stations and the Apple Watch • Global satellite and animated radar for the USA, Australia and much of Europe • Additional features like: widget, webcams, weather photo, weather news etc. • No adverts We also offer an optional premium service which is perfect for if you have specific weather interests, for sports, holidays or more: • 14-day forecasts in hourly periods • Windtheme – optional interface focused on wind data • Precipitation type radar for Europe, radar forecasts, heat maps, lightning strikes, cloud cover forecasts, etc. • Beach Weather, and more Privacy Policy: https://www.weatherpro.com/en/privacy-policy Terms and Conditions: https://www.dtn.com/subscription-agreement-standard-terms-conditions/
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
Zustand
axios
react-navigation
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.
