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.
Roadtrip keeps the planning math in one place
$0.99 · 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 Roadtrip: Fuel & Trip Planner: 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: Hidden fees revealed at checkout
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Poor customer support
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Complicated booking process
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.
Roadtrip keeps the planning math in one place. It is a practical road trip calculator for drivers, RV travelers, and anyone who wants a quick answer before hitting the road. Use it to estimate fuel cost, trip time, range, towing load, budget totals, and the small expenses that tend to get missed until the receipt arrives. Roadtrip is built for real trips, not vague travel talk: - Convert MPG, km/L, and L/100 km without pulling out a second app. - Estimate fuel cost per mile and per 100 miles from your MPG and gas price. - Calculate road trip cost in US or metric units with local currency support. - Split trip cost per passenger so group travel is easier to plan. - Turn distance, speed, breaks, and stops into a realistic travel time estimate. - Convert elapsed time and speed into miles, kilometers, meters, and feet. - See how far you can go with the fuel you have left when towing. - Plan gas stops and fuel stops before the trip starts. - Compare fuel costs across vehicles or route options. - Check RV weight, cargo, passengers, and towing capacity before you load up. - Balance packing weight and keep an eye on axle or load limits. - Estimate campground fees, nightly rates, and extra charges. - Build a food and supply budget for the number of travelers and days on the road. - Compare park pass ROI and see when an annual pass starts paying for itself. - Estimate an emergency cash buffer so the budget has some breathing room. - Compare staying in the RV to booking a hotel when you just need a break. - Estimate overnight power use against your battery bank and solar input. - Sanity-check a travel window against rough weather limits before you commit. That makes Roadtrip useful for weekend getaways, family vacations, RV travel, towing runs, long-haul drives, and anyone comparing the real cost of a trip instead of just the fuel receipt. It is also a good fit if you search for a road trip planner, trip calculator, fuel cost calculator, MPG converter, gas mileage calculator, route planner, or RV planning app. Roadtrip stays in that lane without trying to turn into a giant travel platform. The numbers stay local, the controls stay simple, and the answers are easy to share when you are planning with family or friends. If you travel with family, tow an RV, track mileage for work, or just like to know the numbers before you leave, Roadtrip gives you a cleaner way to plan. It is especially useful for road trip planning, fuel cost calculator searches, MPG converter searches, RV trip planning, towing range checks, route budgeting, and travel time estimates that actually include the parts people forget. The layout stays simple on purpose: - A searchable calculator catalog makes it easy to jump to the right tool. - Quick launch cards surface the most used trip planning calculators. - Inputs are clear and easy to read on iPhone and iPad. - Results are formatted cleanly and can be shared when you are planning with someone else. - Dark mode and light mode both stay readable without the extra fuss.
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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.