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
BMW App!
12 000+ OBD-2 Diagnostic Trouble Codes special for BMW:
$4.99 · In-app purchases
PRICE
$4.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 3.0
12 ratings · Below Average
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 BMW App!: map the core Shopping 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
Expand vehicle categories and models offered.
Assumption to check: Limited vehicle options compared to competitors
Validate with people who use this workflow before building.
Hypothesis 2
Optimize performance and loading speeds.
Assumption to check: Inconsistent app performance and slow load times
Validate with people who use this workflow before building.
Hypothesis 3
Enhance UI design for better user engagement.
Assumption to check: User interface is not very engaging or visually appealing
Validate with people who use this workflow before building.
Hypothesis 4
Implement better organization features for saved items.
Assumption to check: Difficulty in managing saved vehicles and services
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
12 000+ OBD-2 Diagnostic Trouble Codes special for BMW: • Detailed diagnostics trouble code information • Title, "Possible causes", "When is the code detected?", "Possible Symptoms" and "Description" • Personal favorites list • Clipboard and text sharing 300+ Dashboard Warning Lights, Indicators & Car Symbols: • Red, yellow, green, white, blue warning lights and symbols • Search by indicators and symbols • Personal favorites list • Name and complete description for each indicator • Large, colored icons Most Complete OBD-2 Information: • OBD-2 connector • OBD-2 diagnostic connector • OBD-2 interface and Pin layout • Diagnostic connector location • OBD-2 fault codes explained • Security issues • Useful links 1200+ Car Abbreviation and Definitions: • Search by abbreviation and definition • Personal favorites list Other Features: • Supports 3D Touch Icon App for fast code search, abbrs and indicators • Find a BMW Dealer close to you • Email Support and Social groups • 7 Colorful Themes for the App • 70 Quality Stickers for iMessage Supported Models: ● BMW 1-series ● BMW 2-series ● BMW 3-series ● BMW 4-series ● BMW 5-series ● BMW 6-series ● BMW 7-series ● BMW 8-series ● BMW Gran Turismo ● BMW M Coupe ● BMW M Roadster ● BMW M1,M2,M3,M4,M5,M6 ● BMW X1,X3,X4,X5,X6 ● BMW Z1,Z3,Z4,Z8 ● BMW i3,i5,i8 and other models -- ► 50% OFF SALE ► BUY NOW ►
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
Supabase
React Navigation
TypeScript
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.
