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
ParkUsher: Find Parking Easily
ParkUsher - Find Street Parking Instantly
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.6
729 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 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 ParkUsher: Find Parking Easily: 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 better filtering options.
Assumption to check: Users often report difficulty in finding parking spots during peak hours.
Validate with people who use this workflow before building.
Hypothesis 2
Optimize map rendering and data fetching processes.
Assumption to check: Some users experience crashes when loading map data.
Validate with people who use this workflow before building.
Hypothesis 3
Encourage user reviews and integrate social proof features.
Assumption to check: Limited user reviews for parking spots, making it hard to judge quality.
Validate with people who use this workflow before building.
Hypothesis 4
Simplify subscription management and clarify pricing structures.
Assumption to check: Difficulty in managing subscriptions and understanding pricing.
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
ParkUsher - Find Street Parking Instantly The free parking app that shows you exactly where to find parking near you — legally, in seconds. ParkUsher is the #1 free street parking app and live parking map for San Francisco, Montreal, New York City, Seattle, Boston, Toronto, and Vancouver. Stop searching for parking. Open the app, see green lines for legal parking spots and red lines for no-parking zones, and park. No more circling. No more parking tickets. STREET PARKING MAP (Free Forever) - Green lines = legal parking spots available right now - Red lines = no-parking zones - Real-time parking data for SF, Montreal, NYC, Seattle, Boston, Toronto, and Vancouver - Find free parking near Golden Gate Bridge, Fisherman's Wharf, Embarcadero, Pike Place Market, Mount Royal, Times Square, Central Park, Stanley Park, CN Tower, Fenway, Old Montreal - Covers SF (SOMA, Marina, Nob Hill, Castro, Haight-Ashbury, Mission, Chinatown), Manhattan, Brooklyn, Capitol Hill, Old Montreal, Plateau, Williamsburg, Downtown Seattle, SoHo, Gastown, Mount Pleasant, and more FREE PARKING SIGN SCANNER - Point your camera at any parking sign — AI reads it instantly - Understand time limits, restrictions, and parking rules before you park - Always free, unlimited scans, all supported cities - The fastest way to read confusing parking signs and avoid parking tickets PARKING TIMER & ALERTS - Set a parking timer when you park - Get notified before time expires - Never overstay metered parking, never get a fine PARKUSHER PRO - OPTIONAL UPGRADE - Blue lines show paid street parking locations - Filter free parking vs. paid parking - Plan ahead — see parking restrictions before you arrive POPULAR PARKING LOCATIONS - San Francisco: Golden Gate Bridge, Fisherman's Wharf, Union Square, SOMA, Mission District, Marina, Nob Hill, Castro, Haight-Ashbury, North Beach, Embarcadero, Chinatown, Financial District, Richmond, Sunset - Montreal: Mount Royal, Old Montreal, Plateau, Downtown Montreal, Mile End, Rosemont, Griffintown, Saint-Henri, Côte-des-Neiges, NDG, Verdun - New York: Manhattan, Brooklyn, Queens, Bronx, Staten Island, Times Square, Central Park, SoHo, Tribeca, Chelsea, Flatiron, Hell's Kitchen, Harlem, East/West Village, Upper East/West Side, Midtown, Williamsburg, Astoria, Flushing - Seattle: Pike Place Market, Capitol Hill, Downtown, Fremont, Ballard, University District, Queen Anne, South Lake Union - Boston: Beacon Hill, Fenway, Back Bay, South Boston, Kenmore, Mission Hill, Longwood Medical Area, East Boston - Toronto: Downtown Toronto, Kensington Market, Distillery District, CN Tower, Union Station - Vancouver: Stanley Park, Gastown, Commercial Drive, Mount Pleasant, Downtown Vancouver WHY PARKUSHER IS THE BEST PARKING APP - The most accurate free street parking map available - Real-time, live parking data — not outdated, not guesswork - AI-powered parking finder that saves time and money - Avoid parking tickets with regulation-accurate data - Stop circling the block, find free parking faster FAQ - Is ParkUsher really free? Yes. The parking map and parking sign scanner are free forever. Pro is optional. - What's the best app to find parking? ParkUsher gives you real-time legal street parking on a live map across SF, Montreal, NYC, Seattle, Boston, Toronto, and Vancouver. - How do I find free parking near me? Open the app — green lines show free legal parking spots near your location in real time. - How do I avoid parking tickets? Use the AI sign scanner to understand any parking sign instantly, and set a parking timer so you never overstay. - What cities are supported? SF, Montreal, NYC, Seattle, Boston, Toronto, and Vancouver. More coming soon! - How accurate is the parking data? Live data from official regulations, continuously updated. Always confirm posted signs. Terms: https://www.parkusher.app/legal/terms-conditions
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
axios
react-navigation
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.
