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.
Build smarter volleyball practices in minutes.
$4.99 · 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 DrillDeck Volleyball: 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 drill variety and customization options
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Difficulty in finding drills due to poor categorization
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Lack of user engagement and community features
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Inadequate onboarding experience
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.
Build smarter volleyball practices in minutes. DrillDeck Volleyball helps coaches plan organized, high-tempo practices without drowning in notebooks, screenshots, and loose papers. Keep every drill, practice plan, and lineup in one clean, easy-to-use app. Whether you coach club, school, or youth volleyball, DrillDeck Volleyball makes it simple to stay prepared and make the most of every gym session. Build your volleyball drill library: Save all your favourite drills in one place Use half-court and full-court diagrams to map out exactly how drills should look Add coaching notes, variations, and key teaching points No more scrolling through old texts or digging through binders to remember that one great drill. Plan better practices, faster: Drag-and-drop drills into organized practice plans Balance your sessions across core skills in a single view Set durations so you know exactly how long each drill will run Keep warm-ups, individual skills, team systems, and competitive games in one structured timeline Walk into the gym with a clear plan—and leave with a team that actually worked on the right things. Share with your staff and players: Share practice plans with assistant coaches so everyone is on the same page Quickly pull up diagrams and notes courtside as you explain a drill Keep a history of past practices so you’re not repeating the same session every week Track what you’re working on See which skills you’ve focused on recently Make sure each position is getting meaningful reps Build a more intentional season plan over time
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.