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.
In December of 2021, a violent tornado tore through my hometown of Mayfield, Kentucky, and in the long silence afterward I kept returning to one hard truth: the warnings that night were broad and generic, the same wor...
Free · In-app purchases
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.
A product spec, screen plans, and build steps for your coding agent.
First kit free with a verified email
Combine features and design from your favorite apps.
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Generating… usually about a minute.
What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
A product spec, phased build plan, differentiation notes, and screen references.
Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Goal: Send a clear invoice after finishing a job.
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.
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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Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
Rork plan preview for WeatherBrother: 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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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
Assumption to check: Limited customization for notifications
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Difficulty finding saved locations
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: In-app purchase confusion
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Lack of detailed weather alerts
Validate with people who use this workflow before building.
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
In December of 2021, a violent tornado tore through my hometown of Mayfield, Kentucky, and in the long silence afterward I kept returning to one hard truth: the warnings that night were broad and generic, the same words for a family in a reinforced basement and a family in a mobile home alike, though their odds of surviving were nothing alike. A warning that cannot see your shelter cannot truly protect you. Weather Brother can. I'm Dallas McKinney, a meteorologist from Mayfield who worked for NASA, the National Weather Service, and FEMA before coming home to build something my neighbors could trust. Weather Brother is the result. WHO IT'S FOR Western Kentucky families who take severe weather, like tornadoes, damaging wind, hail, flooding, ice, and snow seriously and are tired of guessing if they’re in danger. Built with our region in mind, it works anywhere in the United States: set it up for your home, or for the people you love wherever they live. WHAT MAKES US DIFFERENT Most weather sources cry wolf, because your fear is what they sell. We refuse to. Weather Brother gives you the most actionable, accurate guidance we can produce, built around your exact location and shelter, so when the sky turns green you can be confident instead of afraid. We will never tell you to ride out a tornado in a structure that cannot survive it. The reason this app exists is simple: I got tired of my family and friends texting me about the weather every time a storm rolled in, so I built the app that answers them. Now everyone can have that same personal guidance, around the clock, knowing Weather Brother is watching out for them. HOW IT WORKS We combine official National Weather Service data, my own forecasting judgment, your location and shelter survey, and trained AI that interprets it all together turning raw alerts into clear guidance written for you. FEATURES Shelter Survey — Six simple questions, and because almost no two households shelter alike, 864,000 unique answer combinations behind them. Your answers shape every piece of guidance you receive. Change where you ride out a storm? Update the survey, and your guidance follows you. AI Summary — A short, plain-language paragraph on what today actually means for your location. It rewrites itself every time the forecast changes and folds in your shelter survey, so the forecast is focused on you, not the whole county. Daily Weather Data — Current conditions, an hourly forecast, a 7-day forecast, and sunrise and sunset times for your exact spot. These are basic on purpose. For anything deeper, just ask the... AI Meteorologist — Ask it anything about the weather, and it answers using your location, your shelter survey, and any active warnings. It is trained on ten years of my own real forecasts and guidance, ready the moment you need it, day or night. Customized Notifications — Tired of being woken at night because a severe thunderstorm "threatens" your sturdy brick house? Need to know the moment your basement is about to flood? Worried about the church bus parked under a tree clear across the county? Set alerts for what matters to you, with an adjustable alert radius, quiet hours, and *** most important *** break-through alerts for tornadoes that sound through silent and Do Not Disturb. Alerts Tab — Clear, specific guidance on what to do to stay safe, with plain explanations of what each alert actually means, if you want them. When the National Weather Service clears every alert, you'll see an "All Clear," so you never have to guess if the threat has passed. Go ahead and breathe that sigh of relief. Radar Map — See it coming for yourself: animated radar, NWS warning polygons, and my guidance on where storms are headed and how bad they'll get for your location and across the entire United States. Built in Mayfield, for the people who live where the storms land. Peace of Mind. Storm or Shine.
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Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
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.