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
Betr - Sports & Gaming
Betr — Fantasy Sports, Reimagined
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.7
68,863 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 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 Betr - Sports & Gaming: 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
Introduce more sports and betting types to attract users.
Assumption to check: Limited betting options compared to competitors
Validate with people who use this workflow before building.
Hypothesis 2
Focus on a clean, minimalist design to improve usability.
Assumption to check: User interface can be cluttered
Validate with people who use this workflow before building.
Hypothesis 3
Implement a chatbot for faster user inquiries.
Assumption to check: Slow customer support response
Validate with people who use this workflow before building.
Hypothesis 4
Provide more frequent and varied promotional offers to retain users.
Assumption to check: Limited promotional offers
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
Betr — Fantasy Sports, Reimagined Play daily fantasy sports, free-to-play contests, and nonstop sports action — all in one app. Betr is built for real money, real competition, and real fun. Many Ways to Play Betr Picks — The fastest-growing way to play fantasy sports. Use your sports knowledge to build a lineup and win real cash. Betr Arcade — Quick, skill-based p2p games. Low buy-ins, fast rounds, real stakes. Whether you're new to fantasy sports or a lifelong fan, Betr gives you more ways to play and more ways to win. Why Players Choose Betr Picks Win Big: Enter 2–10 picks for a shot at up to 10,000x your entry — the highest multipliers in DFS. Dynamic Payouts: Miss a pick or two and you can still cash out. Boosted Picks: Exclusive boosts stack the odds in your favor. Best Discounts: No DFS app discounts picks like Betr. Every Sport, One App: NFL, NBA, MLB, NHL, UFC, and more. Injury Insurance: If your NFL pick gets hurt in the first half, you're covered. Betr Arcade Casual, competitive, and quick. Start with 4 games — 21, Fruit Match, Crossout 21, and 5 Across — with more on the way. Entries start at just $1.25, so you can practice before stepping into real-money contests. Fast, Secure Money Movement Deposit and withdraw seamlessly via PayPal, Venmo, bank transfer, or debit card — so you can stay focused on the game, not the logistics. Every League, Every Season NFL Football • Fantasy College Football • Premier League Soccer • WNBA Basketball • MLS Soccer • NBA Fantasy Basketball • Fantasy College Basketball • MLB Fantasy Baseball • NHL Fantasy Hockey • Fantasy UFC • PGA Fantasy Golf Where You Can Play Betr Picks is live in 33 states and DC: AL, AK, AR, AZ, CA, CO, DC, DE, FL, GA, IL, IN, KS, KY, MA, MN, NE, NM, NH, NC, ND, OK, OR, RI, SC, SD, TX, UT, VT, VA, WV, WI, WY. T&Cs apply. Gambling Problem? Call 1-800-GAMBLER. Must be 18+ (21+ in certain states) & physically located in a jurisdiction where Betr Picks operates to participate. Restrictions apply. Void where prohibited. This is a real-money gambling app. Please gamble responsibly and only bet what you can afford. For gambling addiction help and support, please contact the National Council on Problem Gambling at 1-800-522-4700 or visit their website.
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 Navigation
Axios
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.
