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
iSwingMate
What does iSwingMate help you with ?
$9.99 · In-app purchases
PRICE
$9.99
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 iSwingMate: 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
Incorporate gamification features like progress tracking and challenges.
Assumption to check: Lack of user engagement tools
Validate with people who use this workflow before building.
Hypothesis 2
Provide detailed feedback and analytics based on swing performance.
Assumption to check: Limited video analysis features
Validate with people who use this workflow before building.
Hypothesis 3
Offer clearer subscription options and easy upgrade/downgrade paths.
Assumption to check: Subscription management difficulties
Validate with people who use this workflow before building.
Hypothesis 4
Introduce a forum or community feature for users to share tips and video analysis.
Assumption to check: No community interaction
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
What does iSwingMate help you with ? 1) iSwingMate helps you answer four common questions in your golf journey - Why doesn’t my ball travel far enough, and why does it go off in the wrong direction? - Why did my shots go perfectly yesterday, but today they end up in the rough or bushes ? - How is my swing different from other golfers’ swings ? - Why do I sometimes “feel” certain sensations during my swing, but later I can’t seem to find that feeling again? (e.g., the clubhead feels very light during the backswing; my shoulder muscles feel tight at the top of the backswing, etc.) 2) Help you improve your swing in a reliable way. iSwingMate’s goal: to help you improve your swing so that after swinging, the ball lands on the fairway or green. 3) iSwingMate is designed based on research to “simplify the complex problems of the swing,” focusing on three core elements so golfers can review and adjust their movements to achieve their goals, including: - Energy Accumulation: Helps the ball travel far enough (corresponding to your body’s capability). - Balance: Helps keep the process from setup to impact stable and accurate (especially for golfers with handicaps between 30 and 50) - Straight Direction: Helps keep the impact timing consistent More information at: https://fairwaylabs.vn/en/help/
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
react-navigation
expo-camera
@supabase/supabase-js
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.
