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.
Almost 400 magical places to swim in the wild in France
$3.99 · 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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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 Wild Swimming France: map the core Travel 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 community support for niche travel apps
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Difficulty in discovering new locations
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: In-app purchase confusion
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Lack of offline access
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.
Almost 400 magical places to swim in the wild in France. Containing all the content from the the best-selling travel book "Wild Swimming France" by Daniel Start (Wild Things Publishing £14.99, 2012) this app provides all the information you need to visit hundreds of magical rivers, lakes and waterfalls across southern France and the Loire. Daniel Start returns with a dazzling new travel guidebook app to France, for families and adventurers alike. * Dip in to the emerald-green plunge pools of Provence and swim beneath the great chateaux of the Loire and Dordogne. * Discover the unspoilt crater lakes of the Massif Central or relax in secluded hot springs in the woodlands of the Pyrenees. * Recommendations for canoe trips, bike rides, campsites, restaurants and farmshops. Wild Swimming France contains all the practical information you'll need to lure you off the beaten track to over 400 amazing locations. With stunning photography, 15 maps, and detailed directions, grid references and walk-in times. In vast areas of unspoilt French countryside there is so much to discover, from the tranquil river beaches of the Ardeche and the secret waterfalls of the Languedoc, to the shimmering aquamarine pools of Corsica and the Alps. Wild Swimming France takes you on an aquatic voyage to the wild side of the world's favourite holiday destination and introduce you to parts of France you never knew existed. It provides all the practical information you'll need, from * overview maps and directions, * grid references and walk-in times, to * tips on the best campsites, * places to rent canoes, * farm-shops for picnic supplies, * rural bistros for lazy lunches, * even the best places to skinny-dip France has one of the most diverse and magnificent landscapes in Europe - with a cuisine and culture to match. Its rivers, lakes and waterfalls are the cleanest in Europe and its summers reliably hot - and all just a train ride away. NOTE: due to the large number of images and places the app is slow to load first time and may not work well (or crash) if many other apps are open in parallel. Please close other apps. You will find preloaded maps, photos, directions and travel writing to inspire and inform. Most locations comes with stunning photography and include links to IGN detailed 1:25,000 mapping (internet connection required). There is contact information for nearby pubs, campsites and attractions. If you need inspiration you can browse the app by slideshow, list, photo gallery and on an interactive map. Ask the app to find places close to you, or search using postcode, address, star rating, walk-in time, keywords or other features. You can share places on email and Facebook and save favourites too.
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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.