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 Stroke Counter for Watch
Golf Stroke Counter for Watch is the fastest way to track strokes on the course
$1.99 · In-app purchases
PRICE
$1.99
In-app purchases
BUSINESS MODEL
Paid
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.
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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 should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
What's included15 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 Stroke Counter for Watch: 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
Incorporate social sharing options for users to share their scores.
Assumption to check: Lack of user engagement features like sharing stats
Validate with people who use this workflow before building.
Hypothesis 2
Implement a more detailed history and breakdown of rounds.
Assumption to check: Difficulties in tracking multiple rounds over time
Validate with people who use this workflow before building.
Hypothesis 3
Allow users to customize their score tracking and display settings.
Assumption to check: Limited customization options for user preferences
Validate with people who use this workflow before building.
Hypothesis 4
Add features to connect with golf courses for automatic hole data.
Assumption to check: No integration with golf course databases
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
Golf Stroke Counter for Watch is the fastest way to track strokes on the course. The app lives on your Apple Watch, so you count with one tap – no fumbling with paper, pencil, or pulling out your phone mid-round. Record strokes for two players hole by hole. The large, high-contrast display is easy to read even in bright sunlight. Haptic feedback confirms every tap, so you never lose count. When the hole is done, save both scores with a single tap and move straight to the next hole. Your scorecard updates as you play and is available on your Watch or on your iPhone when you're back home. Features: • Count strokes for up to 2 players • 9 or 18-hole rounds • Running scorecard with totals • Large, clear display – built for sunlight • Haptic feedback on every stroke and save • Round history on iPhone • Customize player names in settings • Works fully offline – no account, no subscription Perfect for casual rounds, competitions, or a quick 9 holes with a friend.
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
Supabase
Victory Native
React Navigation
Zustand
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.
