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.
Trying to avoid walking straight into a rainstorm when you go out? Check our rain radar and rain graph before you leave so you never have to get drenched!
Free
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 Buienradar - weer: 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: Inaccurate forecasts
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Too many ads
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: No hyperlocal data
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.
Trying to avoid walking straight into a rainstorm when you go out? Check our rain radar and rain graph before you leave so you never have to get drenched! De Buienradar app starts with the 3 hour or the 24 hour rain radar forecast. The rain radar image will show you whether it is going to rain in the next upcoming hours or even the next day. Below the radar is the rain graph. In this graph you can see exactly when it is going to rain and how much rainfall is predicted (in millimeters). If you prefer an even more detailed image of your city or town you can press the magnifying glass icon to zoom in. The Buienradar app is suitable for iPhone and iPad. Via the handy widgets (with rain graph for your current location) you can quickly see on your today's screen whether it will rain soon without opening the app. There is also the Buienradar Watch app. Besides the Buienradar you can also find other radars and maps: - Drizzle - Sun - NL Satellite images - Lightning - Pollen (hay fever) - Sun (UV) - Mosquitos - BBQ - Temperature - Feeling temperature - Ground temperature - Wind - Fog - Snow - Air Quality - Humidity - Precipitation sum - EU Buienradar (rain radar) - EU Satellite images - EU Temperature You can find personalized weather info in the table “Coming hours in” for your favorite location (even abroad!) like hour-to-hour predictions for: temperature, feeling temperature, the number of millimeters of rain per hour, the chance of rain and wind force (in Beaufort). Besides thunderstorm, snow, sun, wind and temperature maps we also offer wind chill, ground temperature, sun intensity, air pressure, gusts, visibility and humidity data, together with the exact times of sunrise and sunset for your location. We also offer seasonal radar maps. In the summer, for example, you can use our pollen and mosquito radars in order to receive a timely notification when it is wise to hang up your mosquito net. In the winter you can use our snowradar, which informs you about winter precipitation, but we also offer a map especially for ground temperature which warns you about night frost. In the “Forecast” tab you will find the weather forecast (in a graph) for the next 14 days. You can also see a detailed list view when you click on the tab “Lijst”. This list offers an hourly forecast for the next 7 days and a daily average for the second week. In the “Alerts” tab you can create your own rain alert (free push notification) customized to your daily time schedule and favorite locations so you will never be unprepared for rain or a storm. With the Buienradar Premium subscription you get the app ad free, exclusive free gifts and extra functionality for only €6,99 per year. Our Terms of Use can be found here: https://privacy.dpgmedia.nl/nl/document/terms-of-use Our Privacy statement can be found here: https://privacy.dpgmedia.nl/nl/document/privacy-policy We are continuously improving the Buienradar app. If you have any suggestions on how we can improve or if you have any questions, you can always reach out to us by using the feedback form in the app or by sending us an e-mail via [email protected]. Thanks! App conditions: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Written user reviews are not shown here. Check current App Store reviews >
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.