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
Manheim
Make faster and smarter personalized decisions in the world’s largest wholesale automotive marketplace
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 3.9
106 ratings · Top 50%
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 included17 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 Manheim: map the core Business 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
Add advanced filtering (price range, mileage, condition)
Assumption to check: Limited filtering options for search results
Validate with people who use this workflow before building.
Hypothesis 2
Implement a clean, minimalist design with prioritized features
Assumption to check: User interface can be cluttered
Validate with people who use this workflow before building.
Hypothesis 3
Optimize image handling and upload process for better user experience
Assumption to check: Inconsistent performance during image uploads
Validate with people who use this workflow before building.
Hypothesis 4
Introduce a chat support feature for instant assistance
Assumption to check: Limited support for user inquiries
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
Make faster and smarter personalized decisions in the world’s largest wholesale automotive marketplace. This mobile-first design keeps pace with your day-to-day hustle with tools that simplify workflows and compliment your desktop experience. Move inventory, maximize your margins, and grow your business. Key Features: • VIN Scanner: Instantly evaluate vehicles with a scan—know the status and location fast. • MMR Access: Trusted valuations at your fingertips. • Efficient Search: Find the right vehicles with fewer taps. • Push Notifications: Stay informed with real-time alerts, including outbid notifications. • Simulcast Integration: Seamlessly join live sales from anywhere. Your Lane. Your Lot. Your App. Download today and experience a new era of mobile buying and selling. This app is exclusively for licensed automobile dealers with a valid AuctionACCESS membership. You must have an existing Manheim username and password to log in. Support & Contact: Need help or want to become a Manheim customer? Call Manheim Customer Care at 1-866-MANHEIM or visit http://manheim.com/.
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
Zustand
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.
