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
PuttingPro: Golf Putting Tools
Tired of 3-putting? Stop wasting strokes on the green.
$2.99 · In-app purchases
PRICE
$2.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 5.0
5 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 PuttingPro: Golf Putting Tools: 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 new tools and challenges regularly.
Assumption to check: Limited tool variety may not engage users long-term
Validate with people who use this workflow before building.
Hypothesis 2
Add social sharing and community features.
Assumption to check: Lack of social features for user interaction
Validate with people who use this workflow before building.
Hypothesis 3
Simplify subscription options and provide clear benefits.
Assumption to check: In-app purchases can be unclear or overwhelming
Validate with people who use this workflow before building.
Hypothesis 4
Streamline UI with a focus on core features.
Assumption to check: User interface can feel cluttered with too many options
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
Tired of 3-putting? Stop wasting strokes on the green. A 300-yard drive and a 1-foot putt count as the same single stroke. It's time to master the part of the game that truly lowers your score. Welcome to PuttingPro, your personal putting coach. We provide the tools and putting practice routines you need to build confidence and sink more putts. THE MOST COMPLETE PUTTING PRACTICE APP PuttingPro is designed by golfers, for golfers, to provide a comprehensive toolkit dedicated to one thing: improving your putting. Whether you're a weekend warrior trying to break 90 or a competitive golfer chasing scratch, our features will help you build a consistent, reliable stroke. KEY FEATURES GUIDED PUTTING PRACTICE & DRILLS Access structured, easy-to-follow drills designed by golf professionals. Customize your practice routines to eliminate weaknesses and build unshakeable confidence on the greens. PERFECT YOUR TEMPO Find and maintain the perfect putting rhythm with our simple, built-in metronome. Groove a smooth, repeatable stroke that holds up under pressure. READ GREENS LIKE A PRO Use your phone's camera and our smart level tool to get an instant, accurate read of the green's slope and break. Stop guessing and start making informed, confident putts. BUILD YOUR PRE-PUTT ROUTINE The secret to clutch putting is a rock-solid pre-putt routine. Our guide helps you build a personalized, step-by-step process—from reading the green to taking your final stroke. Eliminate nerves, boost your focus, and make every putt feel the same, whether it's for par or birdie. Download PuttingPro and transform your game where it matters most. Start sinking more putts today!
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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
Zustand
react-native-charts-wrapper
expo-router
react-native-gesture-handler
BUILD KIT DIFFICULTY
Starter
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.
