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
TCG Card Scanner & Value-Foloy
Foloy is your all-in-one TCG card scanner & collection manager, built for collectors at every level—from new hobbyists opening their first booster packs to seasoned experts managing valuable collections
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.5
2,406 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 TCG Card Scanner & Value-Foloy: map the core Entertainment 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 machine learning for better recognition.
Assumption to check: Limited scanning accuracy for certain card types
Validate with people who use this workflow before building.
Hypothesis 2
Allow offline storage of scanned cards.
Assumption to check: No offline access to collection data
Validate with people who use this workflow before building.
Hypothesis 3
Standardize UI elements for a cohesive look.
Assumption to check: Inconsistent user interface design
Validate with people who use this workflow before building.
Hypothesis 4
Introduce features to share collections with friends.
Assumption to check: Lack of social features for sharing collections
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
Foloy is your all-in-one TCG card scanner & collection manager, built for collectors at every level—from new hobbyists opening their first booster packs to seasoned experts managing valuable collections. It combines AI-powered scanning, smart tools, and real-time market data to turn your TCG card hobby into a streamlined, informed experience. Main Features: •••AI-Powered TCG Card Scanning & Identification••• Instantly identify any TCG card from your favorite anime and game series with a single scan. Whether it’s Pokémon, Yu-Gi-Oh!, Magic: The Gathering, One Piece, Dragon Ball, or other popular franchises, Foloy instantly recognizes them all. No more manual typing or guessing. Get clear, accurate details about every card in your collection right away. •••Comprehensive Card Details & Valuation••• Receive complete, verified information for every card, including artwork, set, rarity, and official rulings for all supported TCGs. Foloy pulls reliable data to help you understand your cards’ worth at a glance, no matter which franchise they belong to. •••Trending Market Price Tracking••• Stay on top of the latest market trends across every major TCG with live pricing data. Foloy pulls real-time values from trusted sources, including recent marketplace sales, auction results, and collector platforms. See price fluctuations over time, so you know exactly when to buy, sell, or hold your cards. •••Smart Collection Management••• Organize your entire multi-franchise TCG collection in one intuitive place. Sort and filter cards by game, anime series, set, rarity, or value. Track your collection’s total worth across all TCGs. Set reminders for upcoming releases, trade deadlines, or listing dates, so you never lose track of your most valuable pieces. Foloy isn’t just an app—it’s your trusted partner in every step of your TCG card collecting journey. Download now and turn every card in your collection into a clear, valuable asset! Privacy Policy: https://app.tcg.itemvaults.com/en/privacy.html Terms of Use: https://app.tcg.itemvaults.com/en/agreement.html
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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
React Navigation
Expo Camera
Supabase
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.
