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
Course Caddy Golf
Your 7-iron doesn't go 165 yards
$4.99 · In-app purchases
PRICE
$4.99
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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Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for Course Caddy 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 a clearer navigation structure with intuitive tab bars.
Assumption to check: Users often find it difficult to navigate between different courses and stats.
Validate with people who use this workflow before building.
Hypothesis 2
Add features that allow users to receive personalized tips based on their performance.
Assumption to check: Lack of personalized coaching or feedback features.
Validate with people who use this workflow before building.
Hypothesis 3
Offer a free trial and clearly outline what premium features users gain.
Assumption to check: Users dislike the subscription model without clear value.
Validate with people who use this workflow before building.
Hypothesis 4
Integrate social sharing and community features for users to connect.
Assumption to check: Limited community features or social interactions.
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
Your 7-iron doesn't go 165 yards. It goes 165 yards at 75°F, sea level, 50% humidity. Change any of those variables and your numbers change. Tour caddies know this. Now you do too. WHAT COURSE CADDY DOES Course Caddy adjusts YOUR club distances based on current environmental conditions. Input the temperature, altitude, and humidity for your round—get your actual yardages for the day. Print them. Play your round. No guessing. This isn't another GPS app that tells you distance to the pin. This is a pre-round preparation tool that tells you how YOUR clubs perform TODAY. BUILT FOR SERIOUS PLAYERS Competitive amateurs who can't have caddies in tournament play High school and college golfers preparing for competition Caddies who want physics-backed recommendations Weekend players who want an edge in their betting games CORE FEATURES Golf Bag Set your baseline yardages for each club under your standard playing conditions. Environment Calculator Input today's conditions. See your baseline yardages vs. today's adjusted yardages side-by-side. Print a USGA-legal yardage card for your round. Wind Calculator Visual wind direction tool showing adjusted distances for headwinds, tailwinds, and crosswinds at any angle. Putt Break Calculator Input distance, slope percentage, and green speed (stimp). Get precise break calculations in feet and inches. Lie Calculator Not all rough is the same. Calculate distance adjustments based on grass type, density, height, and how your ball is sitting. From flyer lies to buried lies—know what you're actually hitting. PRO SUBSCRIPTION Live weather data pull Multiple golf bags Print yardage cards Advanced wind calculations with 7-day forecast Advanced lie calculation options THE DIFFERENCE Most apps adjust the course and leave you guessing about club selection. Course Caddy adjusts YOUR clubs to current conditions and tells you exactly what you're hitting. Stop giving away strokes to conditions you didn't account for. Keywords (100 characters max) golf,yardage,caddy,calculator,wind,temperature,altitude,putting,break,practice,tournament,distances What's New in This Version Launch version - Tour-level yardage preparation for every round.
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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
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BUILD KIT DIFFICULTY
Intermediate
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.
