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.
Sea Weather Professional provides nautical Information for the Atlantic, Pacific, North Sea, Baltic Sea and the Mediterranean Sea for professional planning and navigation
$10.99 · 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 Sea Weather Professional: 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 weather data
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Limited customization options
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Slow loading times
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Lack of offline functionality
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.
Sea Weather Professional provides nautical Information for the Atlantic, Pacific, North Sea, Baltic Sea and the Mediterranean Sea for professional planning and navigation. Open data from European & US weather services is enhanced for your mobile device. Get weather reports, forecasts, maps, and NAVTEX radio messages from many nautical areas. Your One-stop-solution available for all devices (iPhone, iPad & iPod). FEATURES: – Marine weather reports and maps for Atlantic, Pacific, North Sea, Baltic Sea and Mediterranean Sea – e.g. Coastal Weather Report, Shipping Forecast, Station reports, Wind Forecast, 3 Day Sea Weather Preview – Wind & wave information for all three nautical areas – NAVTEX radio messages – Distress Assistant for calling MAYDAY / help & sending S O S – Navigation Head Up Display – OpenSeaMap the free nautical sea chart – Checklists, Windcalculator, Nautical Signal Flags, Morsecodes, Clouds – Sharing of reports and maps – Offline Datastorage: Store reports, maps and other resources to access when offline – Turbo Download: One-tap-update of all weather data (reports, maps, NAVTEX radio messages) – Night vision: Red-Light-Vision ensures that your eyes keep night vision – Anchor alarm: Monitor and log safety of your yacht position in background – Waterlevels: Get access to the latest levels of inshore waterways – European Reports: Get access to all kind of available marine weather info in Europe – USA Reports: Reports & maps for United States Atlantic, Pacific & Alaska regions – Todolist: Keep track of what needs to be done on board & proritize with colorful tags – Telescope: Use the built in camera to magnify things far away – Timezones: World Timezones for a lot of major cities – Morse telegraph: Morse any message via audio or LED flashlight – Compass: Easy to use compass whenever needed – Barometer: Measure air pressure & keep history of measurements – Distress-Voice-Assistant: In case of distress let the app speak for you – Weatherinformation for cities worldwide – Unlimited use of Seaweather Professional Nautical Network – Frequent servicedata updates for the app REPORTS & MAPS COVER FOLLOWING SEA AREAS: Atlantic, Pacific, Alaska, East Frisian coast, estuary, Helgoland, North Frisian coast, the river Elbe between Hamburg and Cuxhaven, Flensburg to Fehmarn Fehmarn to the east of Rügen, east of Rügen, German Bight, Western Baltic Sea, Southern Baltic Sea, Southwest North Sea, fishing, Forties, Viking, Utsira, Skagerrak, Kattegat, the Belts and the Sound, Bodden East, South-eastern Baltic Sea, central Baltic Sea, Northern Baltic Sea, Gulf of Riga, Engl.Kanal-West-East Engl.Kanal, IJsselmeer, Canary Islands, Alborán / Gibraltar, Palos (between Spain and South West Algeria), Balearic Islands, west of Corsica / Sardinia, Gulf of Lions, Ligurian sea, Tyrrhenian sea, Adriatic Sea, Ionian Sea, Aegean Sea, Taurus, Biscay SUBSCRIPTIONS: The app offers a subsciption with the title "Nautical Club Membership" which is running for 1 year and will automatically be extended to another year after that. The 1-year subscription costs 11,99€. The standard Terms and Conditions (EULA) apply, see: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Data Privacy Policy applies as follows: https://www.noxymo.com/seewetterpro/privacy_de.html ATTENTION: – Use of anchoralarm product is only recommended under safe conditions (i.e. strong GPS signal) – Continuous use of the Locationservices/GPS (e.g. using anchoralarm and navigational instruments) will drain the battery significantly faster than under normal conditions. LICENSE: Product uses icons from http://icons8.com/ under Creative Commons Attribution-NoDerivs 3.0 Unported License.
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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.