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
Blinkay: smart parking app
Pay by phone your parking and be safe.
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.4
3,482 ratings · Top 30%
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 included18 files
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
Preview a sample Build Kit No email needed
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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Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for Blinkay: smart 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 updates and notifications for users.
Assumption to check: Limited parking spot availability information
Validate with people who use this workflow before building.
Hypothesis 2
Enhance UI design for better organization and simplicity.
Assumption to check: Cluttered interface and navigation
Validate with people who use this workflow before building.
Hypothesis 3
Streamline the payment process with saved payment methods.
Assumption to check: Payment process can be cumbersome
Validate with people who use this workflow before building.
Hypothesis 4
Allow users to view previously searched or reserved spots offline.
Assumption to check: No offline access to parking information
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
Pay by phone your parking and be safe. Save time and money, stop worrying. 1. Pay for parking wherever you are - no street meters, no receipts on a dashboard. 2. Extend your parking anytime anywhere, even it can be done automatically. 3. Get parking expiration notification. if you did not extend your parking session and got a fine then Blinkay let you pay the fine. 4. Consult all your parking information in real time: . Your parking sessions and payments; . Coming soon, parking space availability in any Blinkay zone; . Available rates and promotional coupons. 5. Advantages Get access to promotional coupons in nearby retail stores and restaurants when you start your parking session using Blinkay; You have all the information you need on our website. Visit us at www.iparkme.com Where can you park with the Blinkay app? Gatineau (LES ENTREPRISES MARC DUBÉ) / Montreal (SAFEWAY PARKING) / Ottawa (PARKSAFE) / Toronto (CANADA WIDE PARKING).n any iParkMe zone. Available rates and promotional coupons.
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
Supabase
react-navigation
@react-native-maps
axios
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.
