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 Club Gapper
Golf Club Gapper helps you record and average your golf club distances so you can better understand your true yardages and make more confident club selections.
$1.99
PRICE
$1.99
No 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's included
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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Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
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App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Screenshots
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App Store description
Golf Club Gapper helps you record and average your golf club distances so you can better understand your true yardages and make more confident club selections. Whether using voice entry or manual input, you can quickly log each shot and see reliable averages for every club in your bag. Features: • Voice or Manual Entry: Record distances quickly and effortlessly • Average Distances: Track each club’s performance over multiple sessions • Club Yardages at a Glance: View your data to make smarter decisions • Fast and Simple: Log shots without interrupting practice • Clean Interface: A focused, distraction-free design • Works Offline: No internet required for normal use No accounts. No subscriptions. No ads. Note: Voice entry currently supports English and depends on Apple speech recognition. Manual entry is always available. Perfect for golfers who want accurate club distances and better course management. Golf Club Gapper is lightweight, easy to use, and keeps all your data organized directly on your device. Privacy: Club Gapper stores shot data only on your device. The app does not collect personal data, require accounts, or track users. The microphone is used only for optional voice entry of distances. Speech recognition is provided by Apple’s iOS framework. Club Gapper does not store or transmit audio recordings.
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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.
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
BUILD KIT DIFFICULTY
Not assessed in a Build Kit yet.
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.
