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
CHSN
Welcome to the CHSN App – the official app of the Chicago Sports Network
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.3
3,892 ratings · Top 30%
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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What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
What's included17 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 CHSN: 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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App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Screenshots
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App Store description
Welcome to the CHSN App – the official app of the Chicago Sports Network. With more than 300 live Blackhawks, Bulls, and White Sox games annually, first-class pre- and-post game coverage, and 24/7 multisport programming, we are taking your Chicago sports fandom to the next level. Chicago Sports Network is the official home of the Blackhawks, Bulls, and White Sox, and the CHSN App is built by Chicago sports fans - for Chicago sports fans. The CHSN App is the best place to watch live games, the best highlights, and stay informed with real-time stats and team updates, ensuring you’re always in the loop. The App also offers access to CHSN's full slate of Chicago-focused sports programming, including shows about pro football, college football and the network’s cornerstone show, "The Chicago Lead," which highlights all of Chicago sports. Whether you’re on-the-go or watching from home, CHSN brings the love of the game right to your fingertips. Download now and never miss a moment of the action. Log in for free and subscribe to an annual or monthly plan. This app offers monthly and annual auto-renewable subscriptions. You may cancel your subscription in your phone settings at any time. Monthly & Annual subscriptions are available. Payment will be charged to iTunes Account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Account will be charged for renewal within 24-hours prior to the end of the current period and identify the cost of the renewal. Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. Terms of Use: https://chsn.com/terms-of-use Privacy Policy: https://chsn.com/privacy-policy CHSN content can also be viewed in retail locations and various venues throughout the US.
Written user reviews are not shown here. Check current App Store reviews >
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
Expand coverage to include more sports and teams.
Assumption to check: Limited coverage of niche sports
Validate with people who use this workflow before building.
Hypothesis 2
Provide customizable notification settings for users.
Assumption to check: Notification overload
Validate with people who use this workflow before building.
Hypothesis 3
Enhance article frequency and update reliability.
Assumption to check: Inconsistent news updates
Validate with people who use this workflow before building.
Hypothesis 4
Implement a guided onboarding process to help users navigate.
Assumption to check: Difficult navigation for new users
Validate with people who use this workflow before building.
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
Axios
BUILD KIT DIFFICULTY
Expert
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.
