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
Cornhole App
From brand-new players to ACL Pros, The Cornhole App is the official digital home of the American Cornhole League — built for everyone who loves the game.
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
N/A
No ratings yet
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.
Build your own version
Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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Combine features and design from your favorite apps.
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What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
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/
Preview a sample Build Kit No email needed
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 Cornhole App: 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 real-time score tracking with notifications.
Assumption to check: Difficulty in tracking scores accurately during games.
Validate with people who use this workflow before building.
Hypothesis 2
Provide in-depth player analytics and historical performance.
Assumption to check: Limited player statistics and insights.
Validate with people who use this workflow before building.
Hypothesis 3
Introduce social features for sharing game results and player achievements.
Assumption to check: Lack of user engagement features.
Validate with people who use this workflow before building.
Hypothesis 4
Add functionality for organizing and managing tournaments.
Assumption to check: No support for tournaments or leagues.
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
From brand-new players to ACL Pros, The Cornhole App is the official digital home of the American Cornhole League — built for everyone who loves the game. Play anywhere. Throwing bags with friends in the backyard or at league night? Use our simple, intuitive scoreboard to keep games moving and competition fun. Run events like a pro. Hosting a tournament or managing a league? Our powerful Director features let you register players, build teams, create brackets, and manage events of any size — all from your phone. Track what matters. Follow your own progress or keep tabs on your favorite players with comprehensive statistics and performance data, from casual play to the professional level. Whether you’re playing for fun, competing seriously, or organizing events, The Cornhole App gives you the tools to play smarter, compete harder, and stay connected to the ACL. Download The Cornhole App and experience all the fun of the game, from backyard to big stage.
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
Axios
TypeScript
@react-navigation/native
@react-native-async-storage/async-storage
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.
