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.
Easily set up custom scenarios by selecting where the ball is hit, its exit velocity, and launch angle
$49.99 · 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 BaGSS: 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: Users may struggle with data entry for workouts.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Lack of personalized training plans.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Limited social features for motivation.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: No progress tracking over time.
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.
Easily set up custom scenarios by selecting where the ball is hit, its exit velocity, and launch angle. Configure base occupancy, runner speeds, and fielder attributes such as arm strength, speed, and positioning. Watch plays unfold in real-time from a dynamic overhead perspective—just like viewing from a drone. Modify player attributes and positioning, then rerun plays to explore different outcomes. Take control by manually directing throws to test alternative strategies. Save and build a library of game situations to enhance baseball knowledge and decision-making. BaGSS is designed with precise spatial scaling to ensure that field dimensions are proportionally accurate. The flight and velocity of the baseball—whether hit or thrown—are realistically simulated, reflecting real-world physics. Player movements, both on offense and defense, are also accurately scaled to match real game speeds. This level of realism ensures that every situation in BaGSS unfolds as it would in an actual game, providing an authentic and reliable simulation experience. BaGSS is essential for players, coaches, and analysts looking to improve game sense, strategy, and overall understanding of baseball. See Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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.