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
Learning To Deal Blackjack
The quickest and most convenient way for Table Game Dealers to practice blackjack payouts and adding up hands in a fun and interactive way!
$2.99 · In-app purchases
PRICE
$2.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 3.5
16 ratings · Top 50%
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 should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
What's included15 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 Learning To Deal Blackjack: map the core Education 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
Incorporate diverse lesson formats and topics.
Assumption to check: Limited content variety leading to potential boredom.
Validate with people who use this workflow before building.
Hypothesis 2
Add interactive quizzes or practice simulations within lessons.
Assumption to check: Lack of interactive features during lessons.
Validate with people who use this workflow before building.
Hypothesis 3
Implement detailed progress tracking with personalized feedback.
Assumption to check: Inadequate progress tracking and feedback.
Validate with people who use this workflow before building.
Hypothesis 4
Offer a free trial period or more free content upfront.
Assumption to check: Paywall after a single lesson can deter users.
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
The quickest and most convenient way for Table Game Dealers to practice blackjack payouts and adding up hands in a fun and interactive way! Created for dealers by a dealer: !!! Warning !!!...This is not a blackjack game. This app is strictly for educational and training purposes for those who are in or looking to become a better blackjack dealer. Features: √ Practice your 3 to 2 or 6 to 5 Blackjack Payouts √ Over 400 + Different Bets with 7 Levels √ Use Table Rack To Simulate Real Payouts √ Practice Totaling Hands √ Get Quicker and More Accurate √ Real Chip Colors There isn't anything that can replace time at a dealers school or time behind a blackjack table, but when you want to practice on your own time, this app will aid you in becoming the best dealer you can be. Always looking to improve the app with more dealer feedback through our social media and website.
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
Redux
TypeScript
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.
