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
Boom – Sports Picks & Games
Boom Sports - Your Home for Real Money Daily Fantasy Sports (DFS)! Boom Sports offers a simple-to-use interface designed for both new and experienced players, making it easy to start winning real money today! Put your...
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.6
13,070 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 Boom – Sports Picks & Games: 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
Offer more valuable insights for free users to increase engagement.
Assumption to check: Limited free features compared to competitors
Validate with people who use this workflow before building.
Hypothesis 2
Simplify the onboarding process and provide guided tours.
Assumption to check: Overwhelming amount of information can confuse new users
Validate with people who use this workflow before building.
Hypothesis 3
Optimize backend performance to handle increased traffic.
Assumption to check: Inconsistent performance during peak times
Validate with people who use this workflow before building.
Hypothesis 4
Implement a freemium model that offers additional features gradually.
Assumption to check: Subscription model may deter casual 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
Boom Sports - Your Home for Real Money Daily Fantasy Sports (DFS)! Boom Sports offers a simple-to-use interface designed for both new and experienced players, making it easy to start winning real money today! Put your sports knowledge to the test. Download the fastest growing DFS app today and get in on the fun. How It Works: Pick 2-8 athletes in your favorite sports. Simply choose Over or Under, sit back, relax, and watch as your picks could bring you real-money winnings and endless bragging rights to say "I Told You So". But wait, there’s more—Boom Sports’ 'Pick & Spin' game lets you win up to 500x your entry on any 2-pick play. You won’t find those odds anywhere else in the DFS world! Why Boom Sports? - Easy-to-use app for all experience levels, with the ability to customize your winning entry. - Fast, secure withdrawals with no hassle. - BIG payouts with every win. - Live updates to track your picks in real-time. - Exclusive, one of a kind game modes like Squad Ride - Unmatched 500x multiplier with 'Pick & Spin.' - Engaging content and community: Join our Discord, watch our live NFL shows twice a week, and sign up for push/email notifications to get exclusive discounts and free picks every week. - Outstanding customer support available to assist you. Play your favorite sports including: -NFL -NBA -WNBA -Esports -MLB -NHL -College Football -College Basketball -UFC -Soccer and more! Boom Sports vs The Rest: Tried Underdog Fantasy, PrizePicks, Sleeper, or Chalkboard? You'll love Boom Sports even more for its simplicity, multitude of pick options, huge payouts, and community-driven experience. Ready to Win Big? Download Boom Sports today and get started on your next big win! Please Play Responsibly. This is a real money app. Only play what you can afford. For help with gambling issues, call 1-800-GAMBLER or visit the National Council on Problem Gambling at www.ncpgambling.org.
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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.
SUGGESTED BUILD STACK
React Navigation
Axios
Zustand
Expo
Firebase
React Native Reanimated
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.
