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.
Weather Cafe — Get your forecast and a fresh outlook! Step inside
$1.99 · 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 Weather Cafe: 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: Lack of personalization options for users
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Limited integration with external data sources
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: No social sharing features
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: In-app purchases can be confusing
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.
Weather Cafe — Get your forecast and a fresh outlook! Step inside. The rain is tapping on the window, the espresso is brewing, and your forecast is already on the table. Weather Cafe. Pull up a chair. Your forecast is served. Hourly and daily forecasts, with weather alerts as they happen. Just what you need, nothing you don't. No ads! Just a clock, a cat, and a coffee. Weather Cafe is a weather app that actually feels like somewhere you want to be. Most weather apps feel like staring at a spreadsheet and a bunch of ads. So many numbers and walls of menus and icons. Weather Cafe takes a different approach entirely. It takes you somewhere warm. It presents just the next 3 hours of weather conditions. Just what you need if you are going outside, after your coffee. One swipe also gives you the next 5 days high and low temps, and chance of rain or snow. Weather Cafe also displays Weather Alerts for your location. Keep swiping right on the weather and you get Sunrise/Moonrise local times, and Moon Phase. UV index and Air Pressure trends. Even your outlook for stars to be out at night! A Café That Reacts to the World Outside The moment you open Weather Cafe, the scene outside the window comes alive. Beautiful café backgrounds shift with real conditions — a sun-drenched garden on a clear afternoon, a safe candlelit interior when storms roll in, the moon and stars at night, a sunny golden haze during a warm afternoon. At a glance you get current conditions, the next few hours, and tomorrow's outlook. Swipe the forecast card to reveal a 5-day view — daily highs and lows, weather icons, and rain chance percentages so you know whether to plan outdoor activities. The layout is clean, the type is sharp, and the glass card floats above the scene without hiding it. Severe Weather, Front and Center When alerts are issued for your area — winter storms, high winds, extreme heat — Weather Cafe puts them right in front of you with a single tap to read the full official bulletin. If something serious is happening outside, you'll know the moment you open the app. The Whole World is Your Café Search for any city on the planet and Weather Cafe transforms instantly — conditions, backgrounds, and local time all update to match that location. Whether you're checking the weather in Tokyo before a flight, seeing what's happening in London for a call, or just curious what it's like in New York City right now, the café shifts to meet you there. A Glass Clock You never know you needed this until you see it! A beautifully crafted glass clock face floats on the screen, draggable to top or bottom. Minimalist style with silver hour and minute hands, and a red seconds hand steadily rounding the dial. Tap it to switch between analog and digital. It always shows the local time for whichever city you're viewing, so you're never doing timezone math in your head again. Drag it around the cafe scene just for fun to watch the glass lens effect on the background! Weather Cafe. Pull up a chair. Your forecast is ready. ---Powered by Apple WeatherKit. Real-time forecasts, hourly conditions, severe weather alerts, and worldwide city search. Internet connection needed for weather data and city search.
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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.