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
Sam's Club Shopping & Delivery
Your membership does more in the Sam’s Club app
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.9
5,428,020 ratings · Top 5%
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/
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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 Sam's Club Shopping & Delivery: 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
Improve search functionality with advanced filters and sorting options.
Assumption to check: Limited product search capabilities
Validate with people who use this workflow before building.
Hypothesis 2
Offer competitive delivery pricing or free delivery thresholds.
Assumption to check: High delivery fees
Validate with people who use this workflow before building.
Hypothesis 3
Implement real-time inventory tracking to reduce out-of-stock scenarios.
Assumption to check: Inconsistent stock availability
Validate with people who use this workflow before building.
Hypothesis 4
Enhance user account settings for easier updates and management of information.
Assumption to check: User account management issues
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
Your membership does more in the Sam’s Club app. Shop, plan, Scan & Go™, find savings and keep your membership working wherever you are. Shop your way: • Scan items in club with Scan & Go™ and skip the checkout line. • Order in the app for free Curbside Pickup, delivery as soon as 1 hour* where available, or shipping straight to your door*. Get the member advantage: • Shop groceries, home goods, tech, and more at members-only prices. Plus, discover new Member’s Mark™ products curated just for members. • Check local fuel prices in the Scan & Go™ tab before you head to the pump. • Explore services like Optical, Bakery, Tire Finder and more, right in the app. Be part of what’s next: • Join the Member’s Mark Community to share ideas, try new things and help shape products members bring home. Pharmacy, handled: • Transfer, refill and track prescriptions in the app. • Schedule immunizations and manage pharmacy needs for the whole family, pets included. Download the Sam’s Club app and put your membership to work. *Terms and fees may apply. See SamsClub.com/TermsAndConditions for details.
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
FastAPI
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.
