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
Edge Hockey
Edge Hockey helps players and families stay organized, train smarter, and focus on what matters most — development on the ice.
$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.
Build your own version
Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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Combine features and design from your favorite apps.
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What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
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/
Preview a sample Build Kit No email needed
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 Edge Hockey: 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 a notifications system to alert users of matches.
Assumption to check: Lack of user engagement features like notifications.
Validate with people who use this workflow before building.
Hypothesis 2
Allow users to customize profiles with more personal data.
Assumption to check: Limited user profile customization.
Validate with people who use this workflow before building.
Hypothesis 3
Add social sharing features for match highlights.
Assumption to check: No social sharing options.
Validate with people who use this workflow before building.
Hypothesis 4
Provide analytics on user performance and match statistics.
Assumption to check: No analytics for user performance.
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
Edge Hockey helps players and families stay organized, train smarter, and focus on what matters most — development on the ice. From training planning to scheduling and premium performance tools, Edge Hockey is designed for modern hockey players and families. Core features • Training & Performance Tools Plan practices, track progress, and stay focused on development with tools built for hockey players at every level. • Smart Scheduling Keep practices, games, and events organized in one place. Optional calendar integration makes it easy to stay on track. • Premium Features (Optional) Unlock advanced tools and experiences with an optional subscription. The free version remains fully usable without a subscription. • Simple, Modern Design A clean, fast interface built for real-world use — on the go, at the rink, or between games. Built with privacy in mind Edge Hockey respects your privacy. You stay in control of notifications and calendar access, and only the data needed to operate the app is collected. Who it’s for • Hockey players • Parents & families • Coaches & teams Whether you’re managing a busy schedule or working to improve performance, Edge Hockey keeps everything moving smoothly.
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
FastAPI
axios
react-query
@react-native-async-storage/async-storage
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.
