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
ai Sports Betting
Sports AI Predictor
$8.99 · In-app purchases
PRICE
$8.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 5.0
4 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/
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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 ai Sports Betting: map the core Sports 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
Implement a more seamless tab navigation and quick access buttons.
Assumption to check: Users find it hard to navigate between betting insights and placing bets.
Validate with people who use this workflow before building.
Hypothesis 2
Enhance AI algorithms for better accuracy on betting insights.
Assumption to check: Some users report that predictions can be inaccurate.
Validate with people who use this workflow before building.
Hypothesis 3
Integrate more payment gateways and cryptocurrency options.
Assumption to check: Limited payment options can frustrate users.
Validate with people who use this workflow before building.
Hypothesis 4
Introduce a free trial period to attract more users initially.
Assumption to check: High price point may deter new 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
Sports AI Predictor Sports AI Predictor is an innovative sports forecasting app powered by advanced artificial intelligence. With a simple and intuitive interface, the app enables you to predict the outcome of your favorite sporting events by simply entering team names, selecting odds, and choosing match details. Whether you are a casual fan or an experienced sports bettor, Sports AI Predictor provides reliable predictions and expert strategies to enhance your game-day experience. Key Features: Amazing Predictions: Enter the teams, odds, and game details to receive a clean, clear prediction on who will win. Our advanced AI algorithms analyze the data to deliver results you can trust. Prediction History: View a detailed history of all your predictions, complete with the game date and the exact timestamp when each prediction was made. This feature allows you to track trends and review past outcomes at your convenience. Sports Betting Strategies: Access a comprehensive guide on sports betting strategies designed to help you make informed decisions. This premium content is available through an in-app purchase and offers professional insights into bankroll management, research, odds analysis, and more. Settings and Support: Manage your app experience from the Settings tab. Here, you can restore purchases, review support information, and contact our dedicated support team at [email protected].
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
Zustand
axios
react-navigation
FastAPI
BUILD KIT DIFFICULTY
Intermediate
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.
