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.
Hello Weather gives you beautiful, trustworthy forecasts powered by the best weather data on Earth
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 Hello 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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Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Hello Weather gives you beautiful, trustworthy forecasts powered by the best weather data on Earth. With hyperlocal real-time info and a joyful design that’s easy to read at a glance, you’ll always be prepared for whatever’s coming your way. APP OF THE DAY 2026 + featured globally since 2018 "One of my very favorites in recent years. It’s attractive, original, and highly useful." — Daring Fireball Five reasons why you’ll love planning your day with Hello Weather... 1. All the info you need is right in your face. Current conditions, hourly and daily forecasts, minute-by-minute rain, and weather alerts, all in a design you can read in seconds. Everything you need, nothing you don’t. 2. Simple on the surface. Details one tap away. Sometimes you need to dig deeper. Is it going to be windy enough to fly a kite today? When’s the best time to go? Just tap the wind card (or any other stat) for a super friendly chart showing what’s up. 3. Forecasts so advanced, they might be fivecasts. Switch from Apple Weather to ultra-detailed forecasts from the world’s best data providers, like The Weather Channel, AccuWeather, and Foreca. Pick the source that works best for your area, or switch back and forth to compare. 4. You don’t need to be a weather expert. What does barometric pressure mean? Is the dewpoint good or bad? We translated those esoteric stats into human words, so you’ll know how it really feels outside. 5. It’ll make you smile. We filled the app with tons of thoughtful little touches to brighten your day. You’ll love the beautiful color themes, automatic night mode, and sweet secret extras. And that’s not all… • Hello Weather works everywhere, from your phone to your wrist. Great on iPhone and iPad, with widgets, notifications, and a full Apple Watch app to keep you updated on the go. It speaks 27 languages, too. • Radar’s built right in. When there’s a storm front ahead, we’ve got your back. Our powerful radar tab shows you exactly what’s headed your way. • You can have it your way. Tune your app’s layout and appearance to your heart’s content. Pick custom icon sets, themes, charts, data points, or tweak fiddly details if you want. • Made with care by a tiny indie company. We pour a lot of love into our app, and we take great care of our customers. We’re always just an email away, and we’ll get back to you quickly. Here’s what the experts say: "It’s so great-looking, and so easy to use, that it’s been my go-to weather app since I discovered it." — Cult of Mac "Hello Weather strips it down to the essence." — Macworld --- Hello Weather’s free to use, but it’s way better if you upgrade for the Pro stuff. Free features: • No ads or gimmicks. • Easy to read forecasts, powered by Apple Weather. • Minute-by-minute rain estimates. • Basic radar. • Automatic color themes and dark mode. • Weather units customization, including simultaneous Fahrenheit & Celsius mode. Upgrade to Pro and get: • Widgets for your Home Screen and Lock Screen. • Notifications for rain, severe weather alerts, and future forecasts. • Apple Watch app and complications. • More data sources, including The Weather Channel, AccuWeather, Foreca, and others. • Radar animation and layers. • Air quality and pollen info (with certain data sources). • Weather icon sets, themes, and loads of additional customization options. • Custom app icons. • Some secret stuff too! One more thing—a note about privacy: We’re proud to have the strongest and most transparent privacy policy we can muster. We’ll never track you, sell ads, collect data, or do anything like that. • Privacy Policy: https://helloweather.com/privacy • Terms of Use: https://helloweather.com/privacy#terms Thanks so much for trying Hello Weather! We hope you like it.
Written user reviews are not shown here. Check current App Store reviews >
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 options for notifications
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Inconsistent data refresh rates
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Cluttered user interface with too many elements
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Lack of integration with other apps
Validate with people who use this workflow before building.
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.