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
iMint TCG, Sports Card Scanner
One card can change everything.
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.7
608 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/
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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 iMint TCG, Sports Card Scanner: map the core Reference 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 advanced image processing for better recognition
Assumption to check: Limited scanning accuracy for certain card types
Validate with people who use this workflow before building.
Hypothesis 2
Add a feature for manual card entry
Assumption to check: No option for manual entry of card details
Validate with people who use this workflow before building.
Hypothesis 3
Provide more filtering and sorting options
Assumption to check: Inadequate filtering options in collection view
Validate with people who use this workflow before building.
Hypothesis 4
Optimize backend queries for faster performance
Assumption to check: Slow response time when retrieving card data
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
One card can change everything. iMint scans any TCG or sports card in seconds and tells you its estimated market value, based on recent market sales, not guesses. Pokémon, Magic, Yu-Gi-Oh, One Piece, NBA, NFL, MLB, F1, UFC and more. Any card, any universe, instant price. Serious collectors don't guess. They use iMint. . Instant Card Scanning Get real market prices based on recent sales. See condition pricing from Ungraded to PSA, BGS and CGC graded. Identify 1st Edition, holo and reverse holo variations automatically. TCG or sports, every card covered. . Multi-Scan Price multiple cards at once. Scan your entire collection in minutes, not hours. . Organize Your Collection Organize your cards in custom categories and collections. Everything in one place, always accessible. . Track Your Collection Value Track your collection's total estimated value with the portfolio tracker. Watch your portfolio grow over time with price history. . Card AI Assistant Ask anything about your cards. Buying, selling, grading, market trends. Expert answers instantly. . Challenges Complete challenges as you scan and grow your collection. Stay motivated and discover new cards along the way. . Shop on eBay Find cards and buy them directly through eBay. . Key Features - Portfolio and collection management - Multi-scan - TCG and sports support (Pokémon, Magic, Yu-Gi-Oh, One Piece, NBA, NFL, MLB, F1, UFC and more) - Challenges - Card AI assistant - Shop on eBay - History - Pro tips - Wishlist . Why iMint? Every TCG and sports card in one single app. No more switching between apps. Multi-scan saves you hours. Price your entire collection in minutes, not days. All prices based on real recent sales. A subscription is required to access iMint features. Free 3-day trial available. Cancel anytime. Terms of use : https://berthx.io/cardx/terms Privacy policy : https://berthx.io/cardx/privacy
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
Supabase
react-navigation
expo-camera
zustand
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.
