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
Casino Bankroll Pro
Casino Bankroll Pro is the serious player's session tracker
$19.99 · In-app purchases
PRICE
$19.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 5.0
2 ratings · Top 5%
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 included16 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 Casino Bankroll Pro: map the core Finance 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 users to link multiple accounts and set specific budgets for each account.
Assumption to check: Difficulty in tracking multiple accounts and budgets
Validate with people who use this workflow before building.
Hypothesis 2
Implement more detailed categorization and sub-categories for transactions.
Assumption to check: Limited transaction categorization options
Validate with people who use this workflow before building.
Hypothesis 3
Add analytics features to show spending trends and insights.
Assumption to check: Lack of analytics and reporting features
Validate with people who use this workflow before building.
Hypothesis 4
Introduce a free trial period to attract more users before purchase.
Assumption to check: High one-time cost with no trial
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
Casino Bankroll Pro is the serious player's session tracker. Log every casino session, watch your real numbers over time, and make bankroll decisions based on data instead of memory. Built in partnership with Golden Touch Craps — the official training team of Dom "the Dominator" LoRiggio. TRACK WHAT MATTERS Log wins, losses, session length, game type, and location. See your average $/hour, win rate, and trends across trips. Group sessions into trips and review complete trip performance. PROTECT YOUR BANKROLL Set budgets and get alerts before you cross the line. Know exactly where you stand before you sit down. COMPLETELY PRIVATE No account. No cloud. No ads. No data collected — ever. Everything stays on your device, protected by Face ID, Touch ID, or PIN. Export your data anytime as CSV. You own your numbers. BUILT FOR REAL PLAYERS • Works fully offline — perfect for casino floors with no signal • 10 languages, 32 currencies • One-time purchase. No subscription. No upsells. Whether you play craps, blackjack, poker, or slots, Casino Bankroll Pro turns your play history into an honest picture of your game.
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
Zustand
react-native-paper
DateTimePicker
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.
