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.
App Overview
TravelArrow
TravelArrow is your virtual travel agent that sits in the Safari browser
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.6
2,008 ratings · Top 15%
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.
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Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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What's included17 files
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
Preview a sample Build Kit No email needed
Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Screen plan
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.
Differentiate and validate
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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Free quick prompt For a smaller starting point
Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for TravelArrow: 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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Opportunities
AI-GENERATED OPPORTUNITY HYPOTHESES
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
Implement advanced filters based on price, amenities, and user ratings.
Assumption to check: Limited filtering options for search results
Validate with people who use this workflow before building.
Hypothesis 2
Optimize messaging system for faster load times and notifications.
Assumption to check: In-app messaging can be slow
Validate with people who use this workflow before building.
Hypothesis 3
Streamline the booking flow with clearer steps and confirmation messages.
Assumption to check: Booking process can be confusing
Validate with people who use this workflow before building.
Hypothesis 4
Add a robust wishlist functionality allowing users to save and categorize their favorite listings.
Assumption to check: Lack of a comprehensive wishlist feature
Validate with people who use this workflow before building.
App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
App Store description
TravelArrow is your virtual travel agent that sits in the Safari browser. We help you unlock deals to save big on your next vacation! As your all-in-one travel agent, Travel Arrow finds you hidden deals and savings on all your favourite travel sites! Some of our incredible features include: GOOGLE FLIGHTS ENHANCEMENTS Travel aggregators like Kayak and Skyscanner often have the cheapest flight deals. In just one click, TravelArrow converts your exact route on Google Flights to Kayak and Skyscanner. So you can find the cheapest fare without wasting time inputting your search on different sites. TravelArrow also enhances your Google Flights experience by adding the aircraft model and legroom as a column on the search results. Our enhancement suite makes finding the most comfortable flight - a breeze. EARN AIRLINE MILES WHEN YOU SHOP ONLINE What if we told you could earn Miles for your favorite airlines and hotel brands for purchases you’re already making online! Now with TravelArrow's free MilesBack feature, you can earn Miles when you shop at your favorite stores online! REAL-TIME TRAVEL PROMO CODES TravelArrow scours the web to find active promo codes and discounts at top airlines, hotels, and travel sites. Need 30% discounts on 3+ night stays at Marriott? Or how about a 50% off code for Frontier Airlines? TravelArrow finds them all! LOWEST RATE HOTEL AND CAR RENTAL FINDER Worried that you don't have the best rate at your desired hotel or rental car? Worry no more! Gain access to exclusive rates available only to TravelArrow users when you book through us! We’ll even let you know if our rate beats what you find on popular travel sites, hotel chains, and rental car companies! BONUS HOTEL GIFTCARDS FOR DIRECT BOOKINGS It pays to be loyal to hotels and book direct! Travelarrow rewards you bonus giftcards redeemable for future stays at popular hotel chains like Hilton and Choice, if you choose so! TravelArrow may get paid commissions on hotel stays and products purchased through our links to retailer sites, while using this browser extension. By using the TravelArrow browser extension, you agree to TravelArrow's terms and conditions. (https://www.travelarrow.io/terms)
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Screenshots
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Build scope
Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Define the first version
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Set boundaries
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Check the hard parts
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
SUGGESTED BUILD STACK
React Native
Expo
Supabase
Zustand
React Navigation
Axios
BUILD KIT DIFFICULTY
Advanced
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.
