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
Golf Genius
Registered Golf Genius players will find the free Golf Genius mobile app an exciting and useful addition to their golf experience
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.8
70,825 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 Golf Genius: 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 guided onboarding and tooltips for first-time users.
Assumption to check: Difficult to navigate for new users
Validate with people who use this workflow before building.
Hypothesis 2
Allow users to customize scoring formats and player roles.
Assumption to check: Limited customization options for tournaments
Validate with people who use this workflow before building.
Hypothesis 3
Optimize the app for better performance and reduce latency.
Assumption to check: Inconsistent performance during high traffic
Validate with people who use this workflow before building.
Hypothesis 4
Clarify premium features and provide better visibility on subscription benefits.
Assumption to check: In-app purchases can be confusing
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
Registered Golf Genius players will find the free Golf Genius mobile app an exciting and useful addition to their golf experience. The app is also designed to reduce effort and save valuable time for the pro shop staff and league managers. Here are a few of the most important app functions: (1) Live score entry out on the course (scores can be entered by players or pro staff) that immediately updates full field leaderboards on large TV displays in the clubhouse and on the app itself; (2) access to the custom member portal where players can view tee sheets, results, statistics, etc.; (3) an easy and fast way to upload photos, creating photo galleries that add to the fun for any event; (4) mobile access for club pros and league managers to all events on the golf calendar, with dates, registrants, tee sheets, hole-by-hole scorecards, final results, etc.; (5) mobile, contextual branding exposure and messaging customized for corporate and charity outings sponsors, which translates into an attractive and differentiated “outings offer” and the opportunity for clubs hosting outings to maximize revenue. The Golf Genius mobile app is designed for both iPhone and iPad.
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
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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.
