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
Value AI: Item Price Scanner
Stop guessing what your items are worth
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.5
92 ratings · Top 15%
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/
Preview a sample Build Kit No email needed
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 Value AI: Item Price Scanner: 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
Implement multiple scanning techniques to improve accuracy.
Assumption to check: Limited barcode scanning success rate
Validate with people who use this workflow before building.
Hypothesis 2
Optimize API calls and caching strategies.
Assumption to check: Slow loading times for item details
Validate with people who use this workflow before building.
Hypothesis 3
Enhance data sources to include more detailed descriptions and specifications.
Assumption to check: Inadequate product information
Validate with people who use this workflow before building.
Hypothesis 4
Introduce social features like sharing items and community reviews.
Assumption to check: Lack of user engagement features
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
Stop guessing what your items are worth. List them in seconds. Value.ai helps you price and sell items faster using real-time resale data, demand insights, and one-tap listing tools. Scan any item with your camera to instantly see estimated resale value, demand, sell-speed indicators, and where it may sell best — then list directly to eBay in seconds. WHAT YOU CAN DO • Scan an item to identify it instantly • View estimated resale value ranges • See demand and sell-speed indicators • Compare across multiple marketplaces • See where your item may sell best • Generate optimized listing titles and descriptions • List directly to eBay with one tap • Track previous scans in your scan history WHO IT’S FOR Resellers, thrift shoppers, garage sale buyers, marketplace sellers, and anyone selling online who wants to price smarter, list faster, and make better selling decisions. HOW IT WORKS • Take a photo of an item • Get real-time pricing and demand insights • Review AI-generated listing details • Edit your listing if needed • Publish directly to eBay FEATURES • AI-powered item identification • Real-time resale data powered by live market grounding • Resale value estimation based on market data • Demand and sell-speed indicators • Marketplace comparison insights • Best-marketplace recommendations • One-tap eBay listing automation • Listing generator with optimized titles and descriptions • Currency selection for USD, EUR, GBP, CAD, and AUD • Scan history tracking MARKETPLACE DATA Price estimates may reference live and recent resale data from platforms such as eBay, Facebook Marketplace, Mercari, OfferUp, and other resale platforms. IMPORTANT Value.ai provides informational estimates only. Actual selling prices may vary based on condition, timing, location, demand, and platform. Value.ai does not guarantee sales, profits, or specific outcomes. The free version includes limited scans. Full features require a subscription. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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
Axios
React Navigation
Expo Camera
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.
