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
Offbeat Attractions
Traveling to San Diego? Visit the World's Largest Lemon
$0.99 · In-app purchases
PRICE
$0.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.5
847 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 included15 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 Offbeat Attractions: 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
Expand attractions list and allow user submissions.
Assumption to check: Limited attraction diversity for certain regions.
Validate with people who use this workflow before building.
Hypothesis 2
Create a more cohesive design system.
Assumption to check: Inconsistent user interface elements.
Validate with people who use this workflow before building.
Hypothesis 3
Implement offline caching for saved data.
Assumption to check: Lack of offline access to saved attractions.
Validate with people who use this workflow before building.
Hypothesis 4
Integrate a more prominent messaging feature.
Assumption to check: Messages not easily accessible.
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
Traveling to San Diego? Visit the World's Largest Lemon. In Las Vegas? Visit the Glow-In-The-Dark Kiss Mini-Golf. Stopping in Chicago? Visit the Hill Street Blues Police Station. Choose from over 22,300 offbeat roadside attractions from around the US! This app lists places and things that you would not normally think of visiting. These attractions are fun, oddball, strange and sometimes normal but have a uniqueness to them. Also included with each location is the address, weather, images from a Flickr search of the location, Internet search of the attraction, URL and phone number (if they exist), and more. - Import GPX files; this makes it much easier to find offbeat attractions along your route. - Show the driving distance and time between your location and an offbeat attraction. - Show a route between your location and an offbeat attraction. - Send offbeat attraction data directly to our Road Trip Planner app, or to Apple Maps. - Ability to submit new offbeat attractions for review and inclusion in a future update.
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
react-navigation
axios
expo-location
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.
