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.
Detailed wind and weather forecasts for your location
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 Windfinder: Wind & Weather map: 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.
Detailed wind and weather forecasts for your location. See wind, waves, tides and weather reports and current wind measurements for your own weather predictions. Easy to use and free of charge. FEATURES: + Detailed wind and weather forecasts for over 160,000 locations + Current wind and weather measurements in real-time from 21,000 weather stations + Tide forecasts for high and low tides for over 20,000 locations around the world + Favorites: save nearby locations and monitor the weather + Animated wind map for a global wind overview + Small Wind Widgets (current conditions) + New: Severe weather warnings for the US and Europe + Measurements listed in knots, Beaufort, mph, km/h and m/s + Parameters: Wind speed, wind direction, gusts, air temperature, felt temperature, clouds coverage, precipitation, air pressure, wave height, wave period and wave direction + Webcams + Optimized display for optimal readability on the go and on any mobile device + Optimized data transfer for a quicker load speed + Topographic maps provide a quick overview of weather conditions and assist with route planning + Easy to use interface - even with wet and cold hands PERFECT FOR: • Kitesurfing & Windsurfing – find that next storm or windy days next door or at your next vacation • Sailing – plan your next sailing trip and ensure safe passage by avoiding bad weather at sea • Wing Foiling - Catch the wind with your wing • Surfing – find the perfect wave and high swell • Dinghy sailing & regatta racers • SUP & Kayak – make sure high waves and wind don’t risk your adventures • Paragliding – find a good wind right from the start • Fishing – ensure a good catch with wind directions and tides • Cycling, hiking & trekking – check if it will be windy on your route and take the right gear • Boat owners & captains – keep an eye on the current wind conditions and tides • ... anyone interested in reliable wind and weather predictions WINDFINDER PLUS: Subscribe to Windfinder Plus to get access to all features. With Windfinder Plus you also get: + Wind alerts: Specify your preferred wind conditions and get notified when windy or calm days are forecasted + Superforecast: our hourly high-resolution forecasting model for North America, Europe, South Africa, Egypt and the Canary Islands + Wind & Weather Widgets in all sizes with wind preview + Ad free: no distractions + Wind preview: get a quick visual overview of the next ten days + New: Value grid for weather parameters directly on the map + Animated wind speed maps with wind gusts, temperature, precipitation and topographic images + Wind report map: Real-time wind measurements from over 21,000 stations directly on the wind map + all webcams in the area + many more Windfinder Plus is available as an In App Purchase. Subscriptions: Windfinder Plus: We offer auto-renewable "Windfinder Plus" subscriptions for one month or one year. The subscription unlocks the full feature set of Windfinder Plus. Remove Ads: We offer auto-renewable "Remove Ads" subscriptions for 3 months, 6 months or one year. The app will be free of ads while the "Remove Ads" subscription is active. Details: A free trial period of 7 days is offered. Payment will be charged to iTunes Account at confirmation of purchase. You will be charged for another period (1 month, 3 months, 6 months or one year) unless you cancel at least 24 hours before the subscription is renewed. You can turn off the auto-renewal in your account settings after purchase. Terms of Use: www.windfinder.com/contact/terms Privacy Policy: www.windfinder.com/contact/privacy_policy SOCIAL MEDIA: • Facebook: @Windfinder.com • Instagram: @windfindercom • Youtube: wind.to/Youtube • Support: [email protected] • FAQ: windfinder.com/help
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 map features compared to other weather apps
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Ads can be intrusive
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Lack of personalized notifications
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Occasional data refresh delays
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.