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
Game Plan - Tennis
Take your game to the next level with GamePlan Tennis, the ultimate digital coach and tactical companion designed specifically for club-level and recreational players
$0.99 · In-app purchases
PRICE
$0.99
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 included14 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 Game Plan - Tennis: 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
Integrate sharing options for match results and training achievements.
Assumption to check: Lack of user engagement features like social sharing.
Validate with people who use this workflow before building.
Hypothesis 2
Allow users to create and save custom training plans.
Assumption to check: Limited customization for training plans.
Validate with people who use this workflow before building.
Hypothesis 3
Implement push notifications for match reminders.
Assumption to check: No reminders for upcoming matches.
Validate with people who use this workflow before building.
Hypothesis 4
Provide detailed descriptions and benefits of premium features.
Assumption to check: In-app purchases may not be clear.
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
Take your game to the next level with GamePlan Tennis, the ultimate digital coach and tactical companion designed specifically for club-level and recreational players. Whether you want to perfect your forehand, track your season stats, or finally figure out how to beat that annoying pusher in your local league, GamePlan Tennis gives you the blueprint to play smarter and win more matches. FIND YOUR PRO MATCH Discover which touring professionals share your exact playing style. Input your handedness, backhand type, and court preferences to reveal your top pro matches. Analyze their game, understand why their style works, and follow their latest ATP and WTA news right from your dashboard. THE STROKE LAB Master the fundamentals of every shot. Dive into step-by-step technical breakdowns for your forehand, backhand, serve, volley, and smash. Take your new technique straight to the court with timed, level-specific practice drills designed to build consistency and power. TACTICAL PLAYBOOKS Stop losing to tricky opponents. Our Strategy section provides custom playbooks for facing classic amateur archetypes like the Pusher, the Moonballer, the Power Baseliner, and the Serve and Volleyer. Learn their key characteristics and unlock a step-by-step winning playbook to dismantle their game. TRACK YOUR PROGRESS Build a comprehensive history of your tennis journey. Log your match scores, surface types, and crucial statistics like first serve percentages, aces, and unforced errors. Monitor your season win rate and watch your stats improve week after week. DAILY TENNIS NEWS Stay connected to the global tour with a live feed of the latest tennis news and analysis, keeping you up to date on your favorite players and tournaments. Build your strategy. Master your strokes. Dominate the court. Download GamePlan Tennis 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 Navigation
Axios
Expo Image Picker
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.
