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
GPX Route Viewer
Discover the ultimate tool for viewing and printing your GPX routes
$0.99 · In-app purchases
PRICE
$0.99
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/
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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 GPX Route Viewer: 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 an intuitive file picker and validation.
Assumption to check: Difficulty in importing GPX files smoothly
Validate with people who use this workflow before building.
Hypothesis 2
Provide comprehensive stats like elevation gain and estimated time.
Assumption to check: Lack of detailed route statistics
Validate with people who use this workflow before building.
Hypothesis 3
Allow users to customize map views and route preferences.
Assumption to check: Limited user customization options
Validate with people who use this workflow before building.
Hypothesis 4
Integrate voice-guided navigation for better usability.
Assumption to check: Poor navigation experience
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 the ultimate tool for viewing and printing your GPX routes. Whether you're planning a road trip, learning to drive on a test route, going on a cycling adventure, or navigating through new paths, GPX Route Viewer provides an intuitive experience for visualizing and printing GPX files on your device. Key Features: Load and Visualize GPX Files: Import your GPX routes effortlessly and visualize them on a dynamic map. Supports Single Files and Zip Files Print Your Routes: Easily print your GPX routes for offline use or sharing. Saved Routes Library: Easily access, delete, or manage all your previously saved routes from a central library. User-Friendly Interface: Designed with simplicity in mind for beginners and enthusiasts alike. Who This App is For: Perfect for travelers, hikers, cyclists, driving instructors and learner drivers who need an easy-to-use tool for route viewing and planning. No more getting lost or struggling with paper maps—just load your GPX and print the route if needed. Why Choose GPX Route Viewer? Simple Interface: No unnecessary complexities—just load your GPX and view or print the route. Supports All Your Adventures: Works for walking, driving, cycling, and more. Developed with by Drive Academy Ltd: A trusted name in driving instruction industry. Take the hardwork out of Viewing GPX Route Plans—download GPX Route Viewer and experience the power of simplicity in route planning. What's New: Initial release with core GPX route loading and printing features. Privacy Policy: Your privacy is important to us. We don’t collect or share your personal data. Support: For help, contact us at [email protected]
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
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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.
