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
DeckList: Deck Manager
For Trading Card Game (TCG) fans who love deck building and management!
$2.99 · In-app purchases
PRICE
$2.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
N/A
No ratings yet
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 included14 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 DeckList: Deck Manager: 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
Provide advanced deck editing features like card sorting and filtering.
Assumption to check: Limited customization options for decks
Validate with people who use this workflow before building.
Hypothesis 2
Add a community feature to share decks and receive feedback.
Assumption to check: Poor user engagement features
Validate with people who use this workflow before building.
Hypothesis 3
Implement offline capabilities for deck access anytime.
Assumption to check: No offline access to decks
Validate with people who use this workflow before building.
Hypothesis 4
Integrate with popular card game APIs for automatic card updates.
Assumption to check: Lack of card game integration
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
For Trading Card Game (TCG) fans who love deck building and management! This app makes managing your precious card game decks efficient and convenient. Register, edit, and organize card lists for multiple decks easily to enhance your card gaming experience! Key Features: 1. Intuitive deck and card list registration - Simple, user-friendly interface for quick deck registration - Easy input for deck names and card names 2. Flexible deck editing - Freely add, modify, delete, and reorder decks and cards - Add notes to each deck to record strategies, ideas, and additional info 3. Efficient deck management - View all created decks in a list and access card lists easily - Check card counts per deck at a glance 4. Highly visible interface - Automatically numbers decks and cards for easy management 5. Data persistence - Automatically saves created deck information - Loads data automatically when restarting the app 6. Offline support - Works without internet connection - Access deck info anytime, anywhere 7. Always carry with you - Manage deck info within the app for easy portability - Share and compare decks with friends for more fun This app works perfectly not only for famous card games like "Magic: The Gathering (MTG)," "Pokémon Trading Card Game," and "Yu-Gi-Oh! Official Card Game," but also for any card game's deck management regardless of type. Perfect for trading card games and deck-building board games alike. Duelists and collectors, boost your deck management efficiency with this app and spend more time enjoying actual gameplay! Download now and take your deck management to the next level. Master this app's features and take the first step toward victory! Paid app with no ads whatsoever.
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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
Supabase
Zustand
React Navigation
React Native Reanimated
BUILD KIT DIFFICULTY
Starter
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.
