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.
penalty assistant was designed for officials, coaches or anyone who needs to chart and report fouls committed during a football game
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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.
A product spec, screen plans, and build steps for your coding agent.
First kit free with a verified email
Combine features and design from your favorite apps.
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Generating… usually about a minute.
What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
A product spec, phased build plan, differentiation notes, and screen references.
Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Goal: Send a clear invoice after finishing a job.
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.
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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Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
Rork plan preview for Penalty Assistant: 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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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
Assumption to check: Limited user engagement features
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: No analytics for penalties
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Basic design and navigation
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: No premium feature differentiation
Validate with people who use this workflow before building.
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
penalty assistant was designed for officials, coaches or anyone who needs to chart and report fouls committed during a football game. the app maintains a schedule with the option of adding the event to the user calendar so reminders are received. swiping the game to the right gives the options of "kickoff", "finalize", "penalties", or "report". swiping to the left gives the "delete" or "edit" option. until the "kickoff" option is executed no other option is displayed. once the game is kicked off, meaning the game is actively playing, the user can keep up with play counts, mark plays for review, keep up timeouts, add penalties, see real time statistics on penalties after "starting" the game. once the game is over, press "end game". ending the game gives the user the opportunity to enter final score, calculate total playing time, mark extra periods, over time, tv, etc. finalizing the game gives on more change to enter or correct the game information. once finalized, a list of penalties is available and a game report listing all game information and all penalties. there's even an option to "pause" a game if its delayed or postponed because of weather or unforeseen circumstances.
Written user reviews are not shown here. Check current App Store reviews >
Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
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.