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
HoopStats Basketball Scoring
"HoopStats is by far the BEST and most comprehensive basketball statistics tracker application for the iPhone and iPad
$4.99 · In-app purchases
PRICE
$4.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.7
531 ratings · Top 15%
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 included16 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 HoopStats Basketball Scoring: 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 more user-friendly player management and stat tracking.
Assumption to check: Users report difficulty managing player stats.
Validate with people who use this workflow before building.
Hypothesis 2
Simplify the subscription options and clarify benefits.
Assumption to check: In-app purchases can be confusing.
Validate with people who use this workflow before building.
Hypothesis 3
Introduce options for users to share game stats on social media.
Assumption to check: The app lacks social sharing features.
Validate with people who use this workflow before building.
Hypothesis 4
Allow users to customize stats tracked and game settings.
Assumption to check: Limited customization for games and stats.
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
"HoopStats is by far the BEST and most comprehensive basketball statistics tracker application for the iPhone and iPad. This application allows coaches, statisticians, parents, and even fans to keep track of important player and team statistics for their favorite (and even opponents') basketball teams. HoopStats allows me to keep track of complex basketball statistics with ease, providing immediate feedback on the performance of my team and its opponents–all of which can be emailed in an easy-to-read format. This application is a MUST-buy for any basketball fanatic!" --Emilee Stucky, Basketball Statistician Features: - Large buttons to select player, action and shot position - Real-time stats for team and players, current game or entire season - Displays shot charts for all made and missed shots - Undo or edit events at any time - Simple substitutions on the fly - Automatically determine offensive/defensive rebounds - Assign events to individual players or team - Auto Complete to speed up data entry - Rapid Roster function to quickly setup teams - Export game stats via email in HTML or Excel formats - Export shot charts via email in PDF format - Print directly to AirPrint enabled printers - Export game stats to MaxPreps, VarVee, ScoreTrax, or StatCrew - Upload stats directly to ProFile Sports - Bluetooth transfer of team/game data between devices - CSV import of team rosters - Twitter feed - Backup/restore via Dropbox - Support for multiple leagues/seasons - Adjust clock by pressing and holding clock button - Two user-defined stats buttons available - Both game and season stats/shot charts available for export: Shots by type (freethrows, 2pt, 3pt) made/attempted/percentage, defensive/offensive rebounds, assists, steals, turnovers, offensive/defensive/techical fouls, blocks, deflections, fouls received, charges taken, player efficiency, true shooting percentage, +/- and playing time. Before posting a bad review PLEASE contact me to see if there's a workaround. I guarantee I'll reply via email within 24 hours. There is no way to contact users through reviews.
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
TypeScript
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.
