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.
Smart lineups that balance skill, chemistry, and fairness — with instant sharing
$6.99 · In-app purchases
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 GamePlan Soccer Lineups AI: 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 feedback and reviews.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Complexity in lineup editing.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: High price point for features.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Lack of real-time updates for player stats.
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.
Smart lineups that balance skill, chemistry, and fairness — with instant sharing Create smarter lineups, fair rotations, and clear substitution plans — all in seconds. Designed for youth and adult league teams, GamePlan makes it easy to balance skill, chemistry, and playing time, and make last-minute changes that can be shared instantly. Build smarter lineups • Create and manage rosters instantly • Mark players present or absent for today’s match • Tag the positions each player can play, the lineup generator places them where they fit best Smart lineup logic that works with your team • Emphasize different strategies for forwards, midfielders, and defenders • Capitalize on strong player chemistry by favoring combinations that work well together • Avoid combinations of players who don’t perform well together — or who prefer not to be on the field at the same time • Rebuild optimized lineups instantly when conditions change Fair and flexible playing time • Choose equal playing time or weighted minutes for key players • Set the game length (not every match is a full 90) • Generate substitution schedules based on your rotation interval (every 10, 11, 15 minutes, etc.) • See who’s on the field and who’s on the bench at every rotation Share instantly • Share lineups with players or coaches via text, email, or CSV • Make last-minute changes and re-share instantly One-time purchase NO SUBSCRIPTION, no ongoing fees.. No accounts. No ads. No clutter. Just a fast, intuitive tool built for the sideline.
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.