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
Card Builder for Pokemon
Have you ever wanted to build and design your very own Pokemon card? Well, now you can with Card Builder for Pokemon
$0.99 · In-app purchases
PRICE
$0.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.6
371 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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Combine features and design from your favorite apps.
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What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
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 Card Builder for Pokemon: 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
Allow more customizable features for card design.
Assumption to check: Limited card customization options
Validate with people who use this workflow before building.
Hypothesis 2
Implement cloud storage to save user cards across devices.
Assumption to check: No cloud storage for saved cards
Validate with people who use this workflow before building.
Hypothesis 3
Add social sharing features to view and share cards.
Assumption to check: Lack of user community features
Validate with people who use this workflow before building.
Hypothesis 4
Introduce subscription features for premium templates and tools.
Assumption to check: One-time purchase model limits revenue
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
Have you ever wanted to build and design your very own Pokemon card? Well, now you can with Card Builder for Pokemon. Use the many options and design tools to create your perfect card. Use Card Builder to design with the following features: - Works 100% offline! - Take pictures from your phone to add directly into the card. Crop, resize and more in the app! - Create unique attacks with energy types ranging from fire and psychic to dragon and fairy - Give your Pokemon a unique name with attack moves that you create! - Design the evolution of your Pokemon to specify from what card it evolves - Set additional information such as species, weight, length, weakness, retreat, resistance and much more! Whether it is taking a picture of your friend to turn into a Pokemon or just creating that perfect card, Card Builder is your must have app! After you build your card to perfection you can share it with your friends to show that your card is truly the best. Why capture them all when you can create your own? "Pokemon Card Maker is such an amazing Pokemon app that every Pokemon lover should have a try. It has many unique and stunning features that you can't miss." - Best10Apps.com
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
react-navigation
@react-native-async-storage/async-storage
expo-image-picker
Supabase
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.
