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
Roulette Payout Calc Pro
Roulette Payout Calc Pro is the professional payout calculator built for casino dealers, pit managers, and roulette enthusiasts who demand speed and accuracy at the table.
$14.99 · In-app purchases
PRICE
$14.99
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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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/
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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 Roulette Payout Calc Pro: map the core Utilities 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 clear explanations and examples for each bet type.
Assumption to check: Users often find payout calculators confusing due to complex bet types.
Validate with people who use this workflow before building.
Hypothesis 2
Implement a simple history feature showing past calculations with timestamps.
Assumption to check: Many apps lack history tracking for past calculations.
Validate with people who use this workflow before building.
Hypothesis 3
Offer an ad-free premium experience with in-app purchases.
Assumption to check: Users dislike ads cluttering their experience.
Validate with people who use this workflow before building.
Hypothesis 4
Allow users to customize settings like currency format and default bet type.
Assumption to check: Limited customization options for 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
Roulette Payout Calc Pro is the professional payout calculator built for casino dealers, pit managers, and roulette enthusiasts who demand speed and accuracy at the table. Calculate payouts instantly for all major roulette bet types with a simple, intuitive calculator interface designed for the fast-paced casino floor. SUPPORTED BET TYPES: • Straight Up (single number) • Split (two numbers) • Trio (three numbers) • Street (three numbers in a row) • Corner (four numbers) • Basket (five numbers) • Double Street (six numbers) KEY FEATURES: • Instant Payout Calculations — Enter chip counts and see total payouts in real time • Customizable Payout Ratios — Adjust ratios for each bet type to match your house rules • Multi-Currency Support — 60+ currencies from countries with legal casinos, auto-detected from your device • Adjustable Chip Value — Set your default chip denomination for accurate dollar amounts • No Internet Required — Works completely offline, perfect for the casino floor • Landscape Optimized — Designed for quick, one-handed use in landscape orientation • iPad Enhanced — Optimized layout with larger buttons and displays for iPad • Undo & Clear — Incremental undo for each entry, clear to reset all bets BUILT FOR PROFESSIONALS: Whether you're a seasoned dealer verifying payouts, a pit manager overseeing table operations, or a player tracking your bets, Roulette Payout Calc Pro gives you the precision tool you need. • Reduce payout errors and speed up table turnover • Train new dealers with accurate reference calculations • Verify complex multi-bet payouts in seconds • Support international operations with multi-currency Developed by Ron Meiry with over 40 years of roulette industry experience. Every feature has been designed with real casino floor needs in mind. Download Roulette Payout Calc Pro today and bring professional-grade accuracy to every spin.
Written user reviews are not shown here. Check current App Store reviews >
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-sharing
react-native-picker
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.
