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
OddsJam: Sharp Sports Betting
ODDSJAM: SPORTS DATA & ANALYTICS REDEFINED
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.7
2,197 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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What's included18 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 OddsJam: Sharp 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
Expand to include more sports and betting types.
Assumption to check: Limited betting options and sports coverage
Validate with people who use this workflow before building.
Hypothesis 2
Optimize performance and stability.
Assumption to check: Occasional app crashes during peak usage
Validate with people who use this workflow before building.
Hypothesis 3
Simplify onboarding with clear guidance.
Assumption to check: Confusing onboarding experience for new users
Validate with people who use this workflow before building.
Hypothesis 4
Implement a recommendation engine for users.
Assumption to check: Lack of personalized recommendations
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
ODDSJAM: SPORTS DATA & ANALYTICS REDEFINED Join 100,000+ sports fans, analysts, and fantasy players using OddsJam for smarter insights. We’ve rebuilt the app for speed, clarity, and powerful new data tools. If you’ve seen us on YouTube or X, you know OddsJam turns raw stats into actionable insights. Track performance, monitor market trends, and optimize your fantasy decisions — all in real time. WHAT’S NEW • Follow the money Find where pro bettors are putting serious money and tail them instantly. • Visualize performance trends Analyze player performance over the last 5, 10, or 20 games and uncover hidden patterns. • Real-time value alerts Get notified when key stats or pricing data shift across major platforms. • Fantasy insights & optimizer See your projected success rate before you play. Build smarter fantasy lineups with advanced hit-rate data. • Comprehensive data coverage Access real-time data from 150+ books and millions of odds. • Bet tracker Track your strategy and visualize long-term results to refine your approach. SUBSCRIPTIONS TRENDS — $19.99/month Advanced analytics and historical trend models. FANTASY — $59.99/month Discover top fantasy opportunities. Works with Underdog Fantasy, PrizePicks, Betr, and more. SHARP MONEY — $199.99/month Follow where professional bettors put serious money. GOLD — $199.99/month Unlock +EV, Arbitrage, Middles, Low Holds, and Promo Converter bets for 40+ Domestic Books. GLOBAL — $399.99/month Unlock +EV, Arbitrage, Middles, Low Holds, and Promo Converter bets for all Social and Crypto Books around the world. 7-day free trial available on all plans. DISCLOSURE OddsJam is a sports data and analytics platform. It does not accept wagers or handle real-money transactions. All data is provided for entertainment and analytical purposes only. If you or someone you know has a gambling problem, call 1-800-GAMBLER. Terms: oddsjam.com/terms.pdf Privacy: oddsjam.com/privacy.pdf
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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.
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BUILD KIT DIFFICULTY
Advanced
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.
