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
A-ONE Golf
A-One Precision is a golf performance and training application designed to help golfers improve accuracy, consistency, and overall swing performance.
$10.99 · In-app purchases
PRICE
$10.99
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'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 A-ONE Golf: 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 friend invitations and leaderboards for competitive play.
Assumption to check: Lack of social features to connect with friends
Validate with people who use this workflow before building.
Hypothesis 2
Offer advanced statistics and insights based on user performances.
Assumption to check: Limited analytics and performance tracking
Validate with people who use this workflow before building.
Hypothesis 3
Design a more streamlined and user-friendly interface.
Assumption to check: User interface can be overwhelming
Validate with people who use this workflow before building.
Hypothesis 4
Introduce freemium model with in-app purchases for features.
Assumption to check: High one-time purchase cost
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
A-One Precision is a golf performance and training application designed to help golfers improve accuracy, consistency, and overall swing performance. The app connects with compatible golf training devices using Bluetooth to provide real-time feedback, structured practice sessions, and performance tracking. Golfers can review their training sessions, monitor progress, and focus on improving key aspects of their game. A-One Precision is suitable for golfers of all skill levels, from beginners to experienced players looking to refine their technique through data-driven training. Key Features: - Bluetooth connectivity with supported golf training devices - Structured practice and drill modes - Shot and performance tracking - Simple and easy-to-use interface - Designed specifically for golf training and performance improvement Bluetooth access is required only to connect with supported golf training hardware. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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.
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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.
