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
GolfN: Play Golf, Earn Rewards
GolfN turns every round of golf into real rewards
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.6
135 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 GolfN: Play Golf, Earn Rewards: 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 course partnerships to include more locations.
Assumption to check: Limited course availability in some regions
Validate with people who use this workflow before building.
Hypothesis 2
Introduce gamification elements to retain users.
Assumption to check: User engagement drops after initial use
Validate with people who use this workflow before building.
Hypothesis 3
Create a more intuitive rewards dashboard.
Assumption to check: Difficulty in navigating rewards system
Validate with people who use this workflow before building.
Hypothesis 4
Clarify subscription tiers and benefits within the app.
Assumption to check: In-app purchase confusion
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
GolfN turns every round of golf into real rewards. Play your game, earn points, and redeem them for premium equipment, travel, and unforgettable experiences. How It Works Play golf anywhere in the world. GolfN tracks your rounds automatically with 3D GPS on courses globally. Every swing, every milestone earns you points. Complete challenges off the course to stack your rewards even faster. Turn those points into something real. Our marketplace features premium equipment and gear from brands like LAB Golf, Miura, Srixon, Cobra, Bettinardi, Holderness & Bourne, Red Stakes, Hyperice, and more. Plus exclusive travel and experiences you can't buy anywhere else. Everything You Need to Play Better See every shot with pro-level 3D GPS. Accurate distances, flyover hole previews, and smart recommendations on courses worldwide. Track every round and watch the patterns in your game emerge. Your official handicap lives here. Link your GHIN account and watch your index update alongside detailed stats and round history. Everything you need to prove you're getting better (or at least more consistent). Earn rewards even when you're not playing. Knock out daily challenges, build streaks, hit milestones. The app rewards you for staying engaged with the game, not just showing up on Saturday morning. Redeem points for gear you actually want. High-end putters, premium travel experiences, the latest tech from brands golfers trust. These are rewards worth earning. Golf is better with your crew. Create groups, follow friends, celebrate their rounds, and see who's stacking points. Trusted by the Pros GolfN is the official app of PGA TOUR Champions player Emiliano Grillo, 2-time PGA Tour winner and 2016 PGA Tour Rookie of the Year. Join thousands of golfers who are already earning rewards for the game they love. Download Free. Start Earning Today. Every round you play without GolfN is leaving points on the table. Download now and make your next round worth more.
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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 Native
Expo
Axios
React Navigation
Zustand
Supabase
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.
