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
Yellowstone Drive Guide
Discover Yellowstone and Grand Teton Like Never Before with the Yellowstone DriveGuide App!
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.6
7 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 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 Yellowstone Drive Guide: 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 and sorting options to enhance the search experience.
Assumption to check: Limited search functionality leading to poor results
Validate with people who use this workflow before building.
Hypothesis 2
Add more interactive features like user-generated content and community reviews.
Assumption to check: Poor user reviews due to lack of features
Validate with people who use this workflow before building.
Hypothesis 3
Offer a freemium model with core features available for free and premium features as in-app purchases.
Assumption to check: High price point may deter users
Validate with people who use this workflow before building.
Hypothesis 4
Integrate real-time data updates for availability and pricing to keep users informed.
Assumption to check: Lack of real-time updates for listings
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
Discover Yellowstone and Grand Teton Like Never Before with the Yellowstone DriveGuide App! Embark on an unforgettable journey through Yellowstone and Grand Teton National Parks with the Yellowstone Drive Guide App. Plan Ahead — Important: Cell service is unreliable inside Yellowstone and Grand Teton. We strongly recommend unlocking the full guide before you head into the parks, so it's ready and downloaded when you arrive. Once you lose signal, you won't be able to make the purchase. This comprehensive audio tour guide offers over 530 recordings and 30 hours of captivating commentary, ensuring you don't miss a single highlight. Whether you're starting your adventure in West Yellowstone, Gardiner, Cody, or Jackson, the YDG App will be your personal guide from the moment you start your car. Key Features: - Expert Narration: Written and narrated by Teddy Garland, the renowned "Yellowstone Guy" with over 60 years of experience and the author of the best-selling guidebook Explore Yellowstone Like a Local and host of the top-downloaded podcasts of the same name. - In-Depth Commentary: Gain access to the most accurate and detailed information about the parks, along with fascinating stories and insights. - Optimal Geyser Viewing Spots: Discover the best places to watch Old Faithful and all the other geysers erupt, away from the crowds, and learn how the geysers work. - Step-by-Step Guidance: Navigate through geyser basins and canyon area with ease, following icons that lead you to hidden gems and help you beat the crowds. - Wildlife Tips: Find the best spots and times to see bison, elk, bears, and wolves, including secret roads known only to locals in both parks. - Hiking Trails: Get detailed descriptions of every trail, including suitability for small hikers, and discover beautiful backcountry waterfalls, lakes and more. - Swimming Spots: Learn about 18 swimming locations within Yellowstone Park. - Beyond the Parks: Explore activities outside the park boundaries, such as horseback riding, 4-wheeling, whitewater rafting, mountain biking, kayaking and more. With the Yellowstone Drive Guide App, you'll experience the best of Yellowstone and Grand Teton National Parks, along with exciting activities in the surrounding areas. Download now and make your trip truly unforgettable!
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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
Zustand
Axios
Expo Image Picker
React Native Maps
Styled Components
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.
