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
Mayi - Travel Buddy
Mayi - Travel Buddy
$2.99 · In-app purchases
PRICE
$2.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
N/A
No ratings yet
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 included15 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 Mayi - Travel Buddy: 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 a guided tutorial for new users.
Assumption to check: Poor user onboarding leading to confusion.
Validate with people who use this workflow before building.
Hypothesis 2
Add more detailed filters based on user preferences.
Assumption to check: Limited filter options for listings.
Validate with people who use this workflow before building.
Hypothesis 3
Integrate a robust messaging system for user communication.
Assumption to check: Lack of in-app messaging features.
Validate with people who use this workflow before building.
Hypothesis 4
Create a two-way review system for users and guides.
Assumption to check: Poor review management system.
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
Mayi - Travel Buddy Plan your trips simply, even without internet. Mayi is a simple, offline-first travel planner that helps you organize trips, build itineraries, and keep your travel memories in one place. No account required. Your data stays on your device. PLAN TRIPS YOUR WAY Create trips with start and end dates, then build your itinerary day by day. Add timeline entries with time, place, and notes Attach photos, documents, and files Organize trips into draft, planned, or completed AI-POWERED TRAVEL COMPANION Mayi includes built-in AI features to help you plan smarter trips. Chat with Mayi to get travel ideas and suggestions Ask for itinerary help, food spots, or places to visit Get simple insights based on your trips and plans Whether you’re planning a weekend trip or a full itinerary, Mayi helps you think through your travel decisions faster. WORKS OFFLINE Mayi is built to work without internet. No sign up required Your profile, trips, and check-ins are stored locally Open and use your plans anytime, anywhere EXPLORE DESTINATIONS Get inspired with curated travel ideas. Discover local and international destinations View quick travel info, highlights, and tips SAVE YOUR TRAVEL MEMORIES Track where you’ve been and what you’ve experienced. Save check-ins with photos View your travel history See visited places on maps PRIVATE BY DESIGN Your travel data stays on your device. No accounts, no tracking, no unnecessary data collection. Mayi is designed to be simple for beginners and flexible enough for frequent travelers. Plan your next trip with Mayi!
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 Native
Expo
Zustand
Firebase
react-native-reanimated
expo-image-picker
BUILD KIT DIFFICULTY
Intermediate
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.
