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.
Van Build Mastery is a practical companion for planning and building a DIY camper van conversion
$4.99
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 Van Build Mastery by CS: map the core Lifestyle 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 user feedback and community engagement
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Lack of personalization options
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Infrequent content updates
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: No offline access to guides
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.
Van Build Mastery is a practical companion for planning and building a DIY camper van conversion. It combines a complete offline guide with hands-on tools that help you move from an empty cargo van to a safer, more organized home on wheels. Use the build tracker to follow every major phase of a conversion, from choosing the right van and testing your layout to insulation, ventilation, solar, plumbing, cabinetry, and final safety checks. Tick off tasks as you go and keep your progress saved on your device. Built-in calculators help you make early planning decisions with more confidence: - Solar and battery sizing based on daily appliance loads - Fresh and grey water tank planning - Insulation R-value estimates - Budget tracking by build category The Learn section gives you quick access to camper van concepts, glossary terms, layout ideas, and chapter-based quizzes so you can reinforce what you have read. The included 12-chapter guide covers the full conversion journey, including layout strategy, rust prevention, insulation, moisture control, solar power, 12V systems, water systems, framing, paneling, cabinetry, and pre-departure checks. It is available offline, with reading progress, bookmarks, adjustable text size, and light or dark appearance options. Van Build Mastery is designed for first-time builders, weekend DIYers, and future van lifers who want a clearer roadmap before cutting panels, drilling holes, buying components, or wiring systems. Key features: - Phase-by-phase camper van build checklist - Offline 12-chapter conversion guide - Solar, battery, water, insulation, and budget tools - Searchable glossary of van build terms - Layout ideas for different travel styles - Chapter quizzes with explanations - Progress dashboard and achievements - Bookmarks, reading progress, and adjustable reader text - Metric and imperial-friendly planning options - No account required Build smarter, stay organized, and turn your van plan into real progress.
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.