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.
Start Sailing Yachts is an illustrated reference guide for novice sailors
$2.99 · 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 Start Sailing: Yachts: map the core Sports 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: Limited route discovery options
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Weather data might be inaccurate
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 purchase confusion
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.
Start Sailing Yachts is an illustrated reference guide for novice sailors. It is full of tips advising users how to get started in sailing and become a competent crew member of a sailing yacht. Featuring more than 100 illustrations, Start Sailing Yachts provides at-a-glance information on a range of subjects including the parts of a boat, crewing skills, basic navigation and safety at sea. Start Sailing Yachts will help you get started and develop new skills. There are seven main sections in the app: KIT BAG - what to bring, clothing, wet weather gear, toiletries & medication, gear & gadgets THE YACHT - parts of the boat, sails, ropes, electrics, using a tender LIFE ABOARD - below decks, fresh water, cooking, keeping tidy CREWING - keeping watch, crewing skills, essential knots, winches, arriving and leaving a berth, helming, hoisting sails, points of sail, tacking, gybing, anchoring and more NAVIGATING - paper charts, electronic charts, passage planning, pilotage, ColRegs, weather forecasts, tides SAFETY - life jackets, first aid, man overboard drill, fire prevention BOAT WORDS - all the boating terms you might come across explained QUIZ SECTION - Test your knowledge and aid your learning Whether preparing for a holiday afloat, or a short break with friends, it helps to know some of the basics before you go. If you are new to sailing, then having some knowledge before you join a yacht will make the trip much more enjoyable, however confident or fast a learner you may be. Start Sailing Yachts will also help those who might lack confidence aboard a sailing boat and feel it best to remain a passenger and let others crew the boat. This app will guide them through what is involved and help them discover that the rewards from going sailing are about taking part. Thank you for choosing Start Sailing Yachts and have fun afloat.
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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.