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
Disney World Lines (TP)
LINES by TouringPlans will help you save time and money during your Walt Disney World trip
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.8
4,938 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 included17 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 Disney World Lines (TP): 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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App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Screenshots
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App Store description
LINES by TouringPlans will help you save time and money during your Walt Disney World trip. We created Lines to help you know where to go and what to do during your Disney vacation. No other app – even Disney’s official app – gives you as much unbiased information and time-tested data at your fingertips. LINES features include: · PARK RECOMMENDATIONS for the next 10 days. · CROWD CALENDAR, so you know how busy each park will be for the next 10 days. · Customized, step-by-step TOURING PLANS for each Disney park so you save time waiting in line for any attractions—or all attractions. · REAL-TIME UPDATES to show you what to ride now, what to wait to ride, and even what attractions are offline (with an estimated return time). · ACCURATE WAIT TIMES using predictive technology and crowd-sourced live data to let you know how long you really will wait in line, no matter what the posted time says. · LIGHTNING LANE suggestions, to help you make choices to save you time. · COMPLETE PARK SCHEDULES including operating hours, parades, shows, and more. · SEARCHABLE MENUS WITH PRICES to help you find a Mickey Bar in EPCOT or the best use of a snack credit in Magic Kingdom. An invaluable help for people with allergies, dietary restrictions, or those looking for a favorite food. · PLUS MUCH, MUCH MORE. Our Disney trip planning tools have been featured by USA Today, The New York Times, Parents Magazine, AAA, major news networks, and newspapers, magazines, television shows, and radio shows. Since 1986, we’ve helped more than 3 million families plan their Walt Disney World Vacations. Note: Some LINES features, such as full crowd calendar access and all attraction wait times require an in-app subscription purchase for access. Other LINES features, such as customized touring plans, menus, and Lines Chat are completely free. Your in-app subscription includes 365 days of access to TouringPlans.com, the internet’s most popular subscription-based site for Disney trip planning. LINES by TouringPlans is not affiliated with or sponsored by the Walt Disney corporation or Walt Disney World.
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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 user-generated updates and notifications for real-time accuracy.
Assumption to check: Real-time wait times can be inaccurate or delayed
Validate with people who use this workflow before building.
Hypothesis 2
Add user profiles that allow for favorite attractions and personalized experiences.
Assumption to check: Limited customization for user preferences
Validate with people who use this workflow before building.
Hypothesis 3
Simplify the subscription model and provide clear benefits for each tier.
Assumption to check: In-app purchase options can be confusing
Validate with people who use this workflow before building.
Hypothesis 4
Introduce a social feed for users to share tips and experiences.
Assumption to check: No social features for sharing experiences
Validate with people who use this workflow before building.
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 Maps
Zustand
Expo Location
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.
