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
Virgin Voyages
ahoy sailor!
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.8
3,614 ratings · Top 5%
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 included16 files
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
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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 Virgin Voyages: 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 for better search.
Assumption to check: Limited destination filtering options
Validate with people who use this workflow before building.
Hypothesis 2
Create a more cohesive message thread design.
Assumption to check: Inconsistent messaging UI
Validate with people who use this workflow before building.
Hypothesis 3
Streamline the booking modification flow with clearer UI.
Assumption to check: Booking modification process can be confusing
Validate with people who use this workflow before building.
Hypothesis 4
Optimize loading times and data handling.
Assumption to check: Performance issues during high traffic
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
ahoy sailor! we’re still hoisting the sails on our latest virgin voyages app — this version is a sneak preview of what’s to come. stay tuned for the full launch very soon! our shiny latest virgin voyages app is your key to an epic voyage. before you set off, breeze through boarding, explore onboard experiences, and check out (and book) our incredible shore things. everything you need to make your vacation unforgettable is right here. ready to sail make the pre-sail process a breeze with short and intuitive steps in the app. from government required documents to health checks — it’s all done here before you sail. discover the ship explore and book onboard happenings. from posh steakhouse dinners and immersive theater performances, to massages and guided meditation — you can discover everything that makes the ship so special. shore things check out and book any and all shore things — our shoreside activities. atvs through hidden jungles, graffiti art classes, or a cleansing spa day with a shaman, we’ve carefully curated the best ways to discover new sides of yourself. message message sailor services whenever you need help or advice. bid adieu to the awkward phone call down to the lobby. recommendations with curated ship and port guides for you to pour over, you’ll know exactly which classes, eateries, treatments and experiences are right for you.
Written user reviews are not shown here. Check current App Store reviews >
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 Navigation
Axios
React Native Gesture Handler
Expo Image Picker
Redux
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.
