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
CarWatch: Car Deal Scanner
Find car listings worth moving on before other buyers do.
Free
PRICE
Free
No in-app purchases
BUSINESS MODEL
Free
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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Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
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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.
App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
App Store description
Find car listings worth moving on before other buyers do. CarWatch is a vehicle-listing scanner for car buyers and resellers. Build up to three scanners around one city, the makes and models you want, and your price range. CarWatch monitors supported public Facebook Marketplace and Craigslist listings, brings matches into one feed, and can send optional alerts when fresh matches appear. MOVE WITH BETTER PRICING CONTEXT Every listing includes an estimated local market value to help you see how the asking price compares with recent local listings. Deal badges make it easy to spot Great Deals, Fair Deals, and Bad Deals at a glance. Open the original posting directly to review the photos, details, and contact the seller. WITH CARWATCH PREMIUM, YOU CAN: • Create focused active scanners for the cars you actually want • Browse new matching listings in one feed • Compare asking prices with estimated market values • Spot deal badges at a glance • Open listings on their original marketplace • Receive optional push alerts for new matches Payment, cancellation, and restoration are handled through your Apple Account. Marketplace availability and market-value estimates vary by city and listing. CarWatch is independent of and not affiliated with Facebook, Facebook Marketplace, Meta, or Craigslist. CarWatch is free to download. CarWatch Premium is an auto-renewable subscription required to create and run scanners, view matching listings, and receive new-listing alerts. The available weekly and monthly subscription prices and durations are shown in the app before purchase. Privacy Policy: https://carwatch.app/privacy Terms of Use (EULA): https://carwatch.app/terms
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
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.
