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
Tennis Point
Unleash yourself from scorekeeping worries and fully immerse yourself in the thrill of Tennis! Developed exclusively for your Apple Watch, this intuitive and elegant app transforms your wrist into a personal scoreboar...
$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'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 Tennis Point: 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
Add detailed statistics and analytics for players.
Assumption to check: Limited match tracking features compared to competitor apps
Validate with people who use this workflow before building.
Hypothesis 2
Implement social sharing to encourage user engagement.
Assumption to check: Lack of social features for sharing matches
Validate with people who use this workflow before building.
Hypothesis 3
Add customizable notifications for upcoming matches.
Assumption to check: No customizable notifications for match reminders
Validate with people who use this workflow before building.
Hypothesis 4
Create a guided onboarding process to enhance user understanding.
Assumption to check: Poor onboarding experience for new users
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
Unleash yourself from scorekeeping worries and fully immerse yourself in the thrill of Tennis! Developed exclusively for your Apple Watch, this intuitive and elegant app transforms your wrist into a personal scoreboard, ensuring every point is recorded with precision and ease. Features & Functionality Simplified Point Scoring: Marking a point for yourself or your opponent is as easy as a tap on your Apple Watch screen. The clear interface allows you to register scores quickly, without interrupting the flow of the game. Clear Score Display: Keep track of the match score directly on your wrist. Large, highly visible numbers ensure you and your partner are always aware of the game's progress, even under bright sunlight. Intuitive and Elegant Interface: Designed with the Apple Watch aesthetic in mind, Tennis Point offers a fluid and pleasant user experience, integrating seamlessly with your device. Focus on the Game: By eliminating the need to memorize or manually count points, Tennis Point allows you and your partner to concentrate entirely on the strategy, fun, and competition of Tennis.
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
Zustand
React Navigation
React Native Date 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.
