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
Fanatics Sports & Casino
Bet on your favourite sports, enjoy casino games, or trade prediction markets with Fanatics Sports and Casino.
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.8
277,380 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 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 Fanatics Sports & Casino: 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
Simplify navigation by grouping related features.
Assumption to check: Users find navigation overwhelming with multiple tabs.
Validate with people who use this workflow before building.
Hypothesis 2
Implement caching for quicker access to odds.
Assumption to check: Loading times for betting odds can be slow.
Validate with people who use this workflow before building.
Hypothesis 3
Show personalized promotions based on user behavior.
Assumption to check: Some users feel there are too many promotions.
Validate with people who use this workflow before building.
Hypothesis 4
Add more payment methods to enhance user convenience.
Assumption to check: Limited payment options for deposits.
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
Bet on your favourite sports, enjoy casino games, or trade prediction markets with Fanatics Sports and Casino. Sportsbook: Access real-time sports betting markets and bet on all your favourite sports, including football, basketball, hockey, soccer, golf, MMA, boxing, College Sports, eSports, tennis, and more. Place sports bets on moneylines, spreads, totals, parlays, live sports betting, and player props across every game. Live Sports Betting & In-Play Odds: Bet live with real-time sports betting odds across football, basketball, baseball, hockey, soccer, and more Player Props Across Many Sports: Bet on player performances with player prop betting markets for football, hockey, tennis, golf, basketball, and more sports. Parlays for Bigger Wins: Combine multiple sports bets across your favourite sports into one bet for bigger potential payouts. Casino: We offer world-class casino entertainment. Explore casino slots, hit live dealer casino tables, and grab exclusive casino promotions. Play Blackjack, Roulette, Baccarat, and more casino games. Hundreds of casino slots with jackpots. Live dealer casino tables: Blackjack, Roulette, Baccarat. Exclusive casino promotions and weekly bonuses. Prediction Market: Stay ahead of the action by trading prediction market contracts across sports, pop culture, elections, and real-world events. Track prediction market contracts in-app, follow outcomes in real time, and discover new prediction market opportunities every day. FanCash: Earn FanCash on sports betting wagers, casino spins, and prediction market trades. Place a sports bet, make a prediction market trade, enjoy casino games, and redeem rewards on sports gear and more at Fanatics.com. Fair Play: From sports betting to prediction market trading, play with confidence. Fanatics has got you covered on eligible player props selections impacted by 1st half injuries See app for guidelines in your state. One account: Sportsbook, casino, or prediction market depending on geographic availability. Market availability varies by location. See app for full terms, eligibility details, Fanatics One and FanCash program terms. Privacy Policy: https://fanatics-one.com/terms/privacy-policy. Play through Fanatics Sportsbook, Casino, or Predictions is not affiliated with or provided by Apple. FanCash is subject to the Fanatics ONE FanCash Terms at fanatics-one.com/fancashterms and is available for Fanatics ONE Loyalty members. It is also subject to the Notice of Financial Incentive at https://fanatics-one.com/terms/financial-incentive-notice. Users can opt-out of the loyalty program at any time. Sportsbook: Fanatics Sportsbook is available in limited states. Must be 21+. GAMBLING PROBLEM? CALL 1-800-GAMBLER OR CALL 1-800-MY-RESET, www.mdgamblinghelp.org (MD), (800)-327-5050 or gamblinghelplinema.org (MA), Call (877)8-HOPENY or text HOPENY (467369) (NY), (888) 789-7777 or ccpg.org (CT), morethanagame.nc.gov (NC), 1800gambler.net (WV) Responsible Gaming: https://sportsbook.fanatics.com/legal/responsible-gaminghttps://sportsbook.fanatics.com/legal/pa/responsible-gaming. Full Terms and Availability: https://betfanatics.com/sportsbook Casino: Fanatics Casino is available in MI, NJ, PA, and WV. https://betfanatics.com/casino Predictions: Event contract trading is offered by Morton St. Trading Investments, LLC, d/b/a Fanatics Markets, a CFTC-registered futures commission merchant and NFA member. Event contracts carry risk of total loss and changing prices. Not good for all investors. Not available in all states. Must be 21+. See https://fanaticsmarkets.com/legal/fcm-important-risk-disclosures for information about risks associated with event contracts. TRADING PROBLEM? Get specialized support from Birches Health nationwide. Visit https://bircheshealth.com/fanatics-markets, call (833) 483-3838 or email [email protected]. Full terms: https://fanaticsmarkets.com/legal/regulatory. Availability: https://fanaticsmarkets.com/legal/availability
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
zustand
react-native-gesture-handler
BUILD KIT DIFFICULTY
Expert
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.
