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
Sports Card Scanner: SPcard
Turn your phone into a pro sports card scanner! Instantly identify, value, and track your card portfolio
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.7
1,003 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 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 Sports Card Scanner: SPcard: map the core Sports workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Screenshots
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App Store description
Turn your phone into a pro sports card scanner! Instantly identify, value, and track your card portfolio. Snap a photo and get card details in seconds, including player info, card sets, types, market prices, and AI grading insights. From rookies to pros, hobbyists to investors, SPcard makes collecting easy and fun for everyone. Key Features 1. Sports Card Scanner - Effortless Scanning: Scan your cards in seconds, no manual lookups needed. - Instantly Identify: Recognize the player, sport, year, series, card number, and special traits like Rookie cards (RC), Autograph cards (Auto), Parallel cards, or limited-edition cards. - AI-Powered Insights: Explore the guides on collecting strategies, player histories, and market trends. 2. AI Grading Assistant - Instant Condition Check: Get a condition estimate for centering, corners, edges, and surface. - Helpful Grading Tips: Get grading tips inspired by PSA standards (not an official grade) to help you price smarter. - Quick AI Q&A: Ask the AI anything about your cards, from grading to value and trends. 3. Collection Management - Collect Your Favorites: Collect and manage basketball, baseball, football, and soccer cards from your favorite leagues like the NBA, NFL, and MLB. - Track Market Prices: Get reliable market-based price estimates instantly. Check if a card is a common collectible or a hidden gem before you buy or sell. - All-in-One Portfolio Tracker: Keep all scans organized, track collection value, and monitor value changes over time. - Smart Tags: Tag your sports cards with key attributes, making it easy to view, sort, and search. - Intuitive Interface: Easily browse, scan, and manage your cards with a simple, intuitive interface. 4. Sports Card Knowledge Hub - Practical Collecting Guides: Level up your collecting with practical guides. - Stay Ahead of Trends: Check out the latest collecting trends and never miss what's hot. Premium Subscription Go Premium for unlimited scans, full market reports, and VIP support. - Payment is charged when you confirm your purchase. - Auto-renews unless canceled at least 24 hours before the period ends. - Easily manage your subscription and auto-renewal in settings. - If you start Premium, any free trial will end. Privacy Policy: https://sportscard.foyatech.ltd/privacypolicy.html Terms of Use: https://sportscard.foyatech.ltd/terms.html
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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 a robust database with frequent updates.
Assumption to check: Limited card database for accurate valuations.
Validate with people who use this workflow before building.
Hypothesis 2
Simplify the subscription onboarding experience.
Assumption to check: In-app purchase process can be confusing.
Validate with people who use this workflow before building.
Hypothesis 3
Enhance scanning algorithms for better performance.
Assumption to check: Scanning accuracy can vary by lighting conditions.
Validate with people who use this workflow before building.
Hypothesis 4
Focus on a cleaner, more minimal design.
Assumption to check: User interface can feel cluttered.
Validate with people who use this workflow before building.
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
Zustand
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.
