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.
If you coach lacrosse, you’ve probably been there…
$0.99 · 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 DrillScore: 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 functionality for advanced analytics
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: No social sharing features
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Lack of customization options for drills
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: No reminders for training sessions
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.
If you coach lacrosse, you’ve probably been there… Can't find the whiteboard during a timeout. Lose track of score in competitive drills. Practice plan is in your head (or on a crumpled sheet somewhere). I built DrillScore to help me with those things, and I figured it might help you too. Everything you need to run practice, right on your phone: Scoreboard Keep drills competitive and organized with a clean, simple scoreboard. • Custom team names and colors • Quick + / – scoring • “First to” game modes Coach Board Draw drills on the fly, no more scrambling for a whiteboard. • Smooth drawing tools • Full and half-field views • Player dots • Easy reset and redraw Practice Planner Actually stay on schedule. • Build out your full practice • Track total time and drill time • Keep everything in one place Built-in Timers Run drills without guessing. • Simple, easy-to-use timers • Keep practice moving • Stay organized under pressure Built by a coach I’ve coached for 20+ years and made this tool for help with my own practices. No fluff. No unnecessary features. Just what you actually need when you’re on the field. Who it’s for • Youth coaches • High school coaches • College coaches If you run practices, this is for you. If you’ve ever said, “Hold on...what’s the score?” or “Where’s the whiteboard?” You’ll use this every day.
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.