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.
Muscles & Kinesiology is a detailed guide to understanding how muscles and bones interact and how common injuries and conditions occur
$24.99 · 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 Muscles & Kinesiology: map the core Medical 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 interactivity with 3D models
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Not user-friendly for beginners
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: High subscription cost
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Limited cross-device syncing
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.
Muscles & Kinesiology is a detailed guide to understanding how muscles and bones interact and how common injuries and conditions occur. Explore thousands of 3D models to visualize and learn about musculoskeletal structure, function, movement, and pathologies in this handy pocket reference—perfect for on-the-go practitioners, athletes, yogis, and students. + Explore thousands of 3D models of muscles, bones, ligaments, bursae, nerves, and vasculature from any vantage point or zoom level. + Compare normal anatomy and common pathologies with dazzling 3D models of sprains, cervical radiculopathy, a torn meniscus, carpal tunnel syndrome, bone spurs, and many more. + Manipulate dozens of muscle action animations, even in mid-motion, to understand the biomechanics of muscle movement. + Access detailed information about any of the thousands of anatomical structures in the app, including in-depth definitions, interactive muscle attachments, bony landmarks, innervation, blood supply, and more. The base purchase includes complete male and female gross anatomy models that can be dissected, common muscle actions, dozens of common pathology models, and five animations. The additional Musculoskeletal Pathology Animations in-app purchase can extend the guide to include an in-depth series of presentations given by subject matter experts on anatomy, function, and pathology.
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.