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.
Know what your car needs
$4.99 · In-app purchases
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.
A product spec, screen plans, and build steps for your coding agent.
First kit free with a verified email
Combine features and design from your favorite apps.
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Generating… usually about a minute.
What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
A product spec, phased build plan, differentiation notes, and screen references.
Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Goal: Send a clear invoice after finishing a job.
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.
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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Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
Rork plan preview for My Car Repair Advisor: map the core Reference workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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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
Assumption to check: Users often find it hard to keep track of multiple vehicles and their maintenance schedules.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Limited integration with service providers may affect user experience.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Users may forget to log repairs or maintenance.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Subscription management can be confusing.
Validate with people who use this workflow before building.
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Know what your car needs. Know what it should cost. Know exactly what to say. My Car Repair Advisor is the car owner’s pocket reference—built to help you walk into any shop prepared, negotiate with confidence, and understand every warning sign your vehicle throws at you. And every purchase directly funds Parkinson’s research through the Michael J. Fox Foundation. REPAIR ESTIMATOR Browse 75+ car parts across gasoline, hybrid, and electric drivetrains. Every part includes: • Parts cost range and labor cost range • Expected failure mileage and years • Severity rating (Low to Critical) • Preventive maintenance guidance From engine oil and spark plugs to traction batteries, CV axles, and catalytic converters—it’s all here. NEGOTIATE WITH YOUR MECHANIC 10 word-for-word scripts for the real conversations car owners dread: • Getting a second opinion before authorizing repairs • Disputing inflated labor rates using book time • Choosing OEM vs. quality aftermarket parts • Pushing back on upsells and surprise bills • Bundling repairs for cash discounts • Understanding your rights when the final bill exceeds the estimate Tap any scenario to expand the full script and pro tip. SYMPTOM CHECKER Something feels wrong—but what? Search or scroll 20 common car symptoms: • Brake pedal goes to floor • Overheating temperature gauge • Oil pressure warning light • Transmission slipping • Knocking or pinging from engine • AC not blowing cold air • And 14 more Each symptom includes likely causes, step-by-step action guidance, and estimated repair cost range. POWERED BY PURPOSE My Car Repair Advisor is a paid app—one purchase, every feature unlocked, no subscription. 100% of net proceeds are donated to the Michael J. Fox Foundation for Parkinson’s Research (MJFF), a 501(c)(3) nonprofit and the world’s largest private funder of Parkinson’s drug development. No ads. No account required. No data collected. Your car knowledge, your privacy.
Written user reviews are not shown here. Check current App Store reviews >
Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
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.