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.
Expedia is a one-stop travel shop for booking flights, hotels, car rentals, activities, and vacation packages — and managing your whole trip in one place
Free · 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 Expedia: Hotels, Flights, Cars: 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: Difficulties in managing booking changes and cancellations
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Limited filtering options for search results
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Poor in-app messaging system
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: High service fees during booking
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.
Expedia is a one-stop travel shop for booking flights, hotels, car rentals, activities, and vacation packages — and managing your whole trip in one place. Search, compare, book, and track it all from a single app, and save more when you bundle. YOUR ONE-STOP TRAVEL SHOP Plan a trip from start to finish without app-hopping. Book flights, hotels, cars, and things to do, then keep every confirmation, itinerary, and reservation organized in one place. Whether it's a quick weekend getaway, a family vacation, or travel to Europe, Expedia helps you plan, book, and manage the whole journey. BUNDLE & SAVE UP TO 30%* Add a hotel to your flight and save on your trip. Bundle your stay, your flight, and your ride into one vacation package and unlock package deals you won't find when you book each piece separately. More of your trip in one booking means more ways to save. DISCOVER FLIGHT DEALS Flight Deals analyzes millions of flights per day to find fares at least 20% below what's typically predicted for your route — surfaced on an interactive map, ready to book. FLIGHTS, HOTELS, CARS & MORE - Compare cheap flights across hundreds of airlines and book in a few taps - Browse hotels for every budget, from city stays to beachfront resorts - Pick up a rental car at the airport or in town with easy car rental booking - Add activities, tours, and things to do at your destination - Bundle it all into one package built for the way you travel TRACK FLIGHT PRICES Not ready to commit? Track flight prices and get alerts when prices drop, so you can book at the right moment. Smart price tracking helps you find cheap flights and the right fare for your trip. LAST-MINUTE DEALS Plans change fast. Find last minute deals on thousands of stays and last minute travel when you need to go now. From spontaneous getaways to last-minute trips, the deals are ready when you are. EXPEDIA ONE KEY™ REWARDS & MEMBER PRICES Expedia One Key is our free travel rewards program. Join One Key and save with instant discounts and earn rewards** and perks for future travel on flights, stays, and activities. The more you travel, the better the discounts & rewards. Members unlock Member Prices*** of 10% or more on over 100,000 hotels worldwide. Earn perks like Price Drop Protection and Flight Delay access as a Gold or Platinum member. PLAN YOUR TRIP, YOUR WAY - Browse and compare flights, hotels, and cars side by side - Use smart filters to find the right stay, fare, or rental car fast - Keep everything you've booked together in one itinerary - Manage changes, view reservations, and access trip details on the go - Enjoy free cancellation**** on most hotels, so you can travel flexibly WHY TRAVELERS CHOOSE EXPEDIA - One app for airfare, hotels, cars, activities, and vacation packages - Bundle and save on travel with one easy booking - Track flight prices and find cheap flights with confidence - Earn One Key rewards and unlock Member Prices on stays - Find last-minute deals and plan your whole trip in one place Download the Expedia app and start planning your next trip. Book flights, hotels, car rentals, activities, and vacation packages — all in one travel app. In short: Expedia is the all-in-one travel app for flights, hotels, cars, activities, and vacation packages — bundle and save up to 30%, unlock Member Prices, and earn One Key rewards. IMPORTANT INFORMATION *Bundle savings are based on package bookings compared to the same components booked separately; savings vary and are not available on all packages. **One Key rewards are not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo. ***Member Prices are available to logged-in members and app users on select stays, excluding applicable taxes and fees. Savings vary. ****Free cancellation on most hotels; some hotels require you to cancel more than 24 hours before check-in. See site for details. The Expedia app uses information for analytics, personalization and advertising.
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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.