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
MWeather | Weather Forecast
MWeather is a weather app that shows you the hourly weather for the next 10 days in a beautiful and clear way
$4.99 · In-app purchases
PRICE
$4.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.3
12 ratings · Top 30%
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 MWeather | Weather Forecast: 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
Include more locations with a search feature.
Assumption to check: Limited location support
Validate with people who use this workflow before building.
Hypothesis 2
Utilize multiple weather APIs for better accuracy.
Assumption to check: Inaccurate weather predictions
Validate with people who use this workflow before building.
Hypothesis 3
Offer a limited radar view for free users.
Assumption to check: No radar features in free version
Validate with people who use this workflow before building.
Hypothesis 4
Allow users to save weather data for offline viewing.
Assumption to check: No offline access
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
MWeather is a weather app that shows you the hourly weather for the next 10 days in a beautiful and clear way. With the hourly and daily forecast in diagram style you see the course of the weather at a glance and the background image shows the current weather condition with a beautiful picture. With the integrated MWeather Apple Watch app you have a full fledged weather app on your wrist. Hourly and daily forecasts for up to 10 days. App Features: - Current weather - Hourly forecast for up to 10 days - Daily forecast for up to 10 days - Clear presentation with a diagram style - Background image for the current weather condition - Light / Dark Mode - Lockscreen Widgets - Homescreen Widgets - Apple Watch App with customizable Complications for all watch faces - iCloud Sync for settings and locations - Local or System Time - Save up to 8 locations - Dynamic Location - visionOS App - tvOS App (sold separately) - macOS App (sold separately) Weather Features: - Current temperature - Current condition - High / Low temperature - Rain probability - Sunrise / Sunset time - Current Feels Like temperature - Humidity - Wind speed and direction - Amount of rain - UV Index - Moon phase - Day Summary Weather Data powered by Apple Weather.
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
expo-location
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BUILD KIT DIFFICULTY
Starter
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.
