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
Prked - #1 Parking App
Find Parking & Earn Income
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.8
1,157 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 included16 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 Prked - #1 Parking App: map the core Navigation 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 real-time availability updates and notifications.
Assumption to check: Limited availability information for parking spots
Validate with people who use this workflow before building.
Hypothesis 2
Integrate turn-by-turn navigation directly within the app.
Assumption to check: Navigation to parking spots can be cumbersome
Validate with people who use this workflow before building.
Hypothesis 3
Simplify the paywall and provide clearer benefits for premium features.
Assumption to check: In-app purchase process is not user-friendly
Validate with people who use this workflow before building.
Hypothesis 4
Allow users to leave and read reviews on parking spots.
Assumption to check: Lack of user reviews for parking spots
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
Find Parking & Earn Income Tired of circling for a parking spot? Have an empty driveway collecting dust? Prked is the community marketplace that connects drivers with people who have unused spaces. We make parking simple, affordable, and profitable. For Drivers: - Stop the stressful search. Find and book the perfect parking spot in seconds. - Reserve with Ease: Find and reserve affordable parking by the hour, day, or month. Perfect for your car, RV, or even a boat. - Park Anywhere: Discover exclusive, convenient parking options in private driveways, garages, and lots that you won't find anywhere else. - Stress-Free Arrival: Get clear directions and simple access instructions so you can park with confidence and get on with your day. For Hosts - Your empty space is a missed opportunity. Turn your driveway, garage, or parking spot into a source of passive income. - List in Minutes: Easily list your space with our simple setup process. - You're in Control: Set your own rates, manage your availability, and define the rules for your spot. - Effortless Earnings: Manage your bookings and track your income right from the app. Toggle your listing on or off at any time. Join the Prked community today! Whether you need a convenient spot or have one to share, we make parking work for everyone. Download now to find your space or list your own!
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 Navigation
Expo Location
Axios
Zustand
React Native Maps
Shadcn/UI
BUILD KIT DIFFICULTY
Expert
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.
