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
Tripiday - Travel Planner App
Do you still worry about how to plan your vacation? Tripiday offers great user experience that makes you self guided tours more easily
$3.99 · In-app purchases
PRICE
$3.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.2
17 ratings · Top 30%
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 should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
What's included18 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 Tripiday - Travel Planner App: 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
Include a wider range of destinations and user-generated content.
Assumption to check: Limited destination options for planning
Validate with people who use this workflow before building.
Hypothesis 2
Clearly outline subscription benefits and ensure seamless purchase flow.
Assumption to check: In-app purchase confusion
Validate with people who use this workflow before building.
Hypothesis 3
Adopt a cleaner, more organized layout for screens.
Assumption to check: User interface can feel cluttered
Validate with people who use this workflow before building.
Hypothesis 4
Optimize performance and loading speeds for a smoother user experience.
Assumption to check: Slow load times for certain features
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
Do you still worry about how to plan your vacation? Tripiday offers great user experience that makes you self guided tours more easily. Through Tripiday, you can also invite friends to join and plan wonderful journeys together. Tripiday Main Functions: Travel planning - Provide great user interface. - Arrange itineraries according to the date. - Create itinerary by search and customize if you like. - Edit, delete or create itineraries directly from the map. Travel companions invitation - Invite friends to join your travel. - Provide collaboration features. Public sharing - Publish your fantastic travel plans on Tripiday to become a world-class travel planner. Message system - Provide private space for your companions and you to discuss plans. - Provide public discussion space to allow more people to participate in your plans. Search - User search. - Public travel plans search. - Quickly find friends and recommended travel plans. Collection - You can collect public travel plans and itineraries. - You can copy a public travel plan and customize it afterwards. - You can collect itineraries and add to your own travel plans. Budget planning - Multi-currency conversion. - You can refer to the public plans with your budget. Notification system - Comment notifications. - Follow notifications. - Like notifications. - Collect notifications Photo management - Make it easy to create unique travel plans. - Personal profile photo. - Travel plan cover photo. - Scenic photos.
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
Supabase
React Navigation
React Native Paper
Zustand
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.
