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.
Developed by 3D4Medical in collaboration with Stanford University School of Medicine
$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 Skeleton System Pro III-iPhone: 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 interactive features for learning anatomy
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: 3D model can be difficult to manipulate on smaller screens
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Static content with little engagement
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Lack of personalization options
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.
Developed by 3D4Medical in collaboration with Stanford University School of Medicine. AS SEEN ON TV: This app is featured in Apple's iPad TV ad. "Named by Apple as one of the top 5 medical iPad apps of 2011" For a 2 minute overview of how this app works - please visit: http://applications.3d4medical.com/skeletal_pro.php Skeletal System Pro contains hundreds of improvements - here are a few: • 360 horizontal degree rotation of any body part - with a swipe of your finger. • Rotate vertically for inferior and superior views. • 94 animations of every movement of each articulation (e.g. flexion, extension, abduction, adduction, etc) • 2 types of Quiz, Drag and Drop and Multi-choice. • 596 audio pronunciations, for every label. • Draw on any screen image and then share it through email, Facebook or Twitter. • Color mapping of the skull and pelvis bones. OTHER NEW FEATURES: • Graphical Hints: On screen hints that can be turned on or off, for a complete understanding of all the app's features. • Interface: Completely rebuilt to allow for simple navigation. • Mix layers: Make one layer semitransparent to compare against another layer. • Public Notes: Post or browse through shared public notes. OTHER FEATURES: • Double Tap to Zoom - zoom into and identify any region, bone, skeletal area or ligament by tapping on the screen. • Use your finger to Cut - slice skeletal areas for a coronal, sagittal and transverse cut view (where applicable) - use hints to learn how. • Press the Scalpel - to add or remove up to 4 layers of connective tissue. • Pins appear in both English and Latin. • Double Tap again for additional Zooming - useful when there are multiple pins. • Customize Pins - add your own pins and notes or add notes to existing pins. • Customize the App - using the settings function the user can choose which pins appear within the app - customize to different levels, i.e. high school, nurses etc… The Skeletal System Pro III - includes the most in depth 3D skeleton ever developed, the ability to rotate, cut and get superior/inferior views all with the simple stroke of the finger. This app’s primary use is as a learning tool but can also be used as a fast and innovative reference tool by utilizing the index function which allows the user to select an item and the app will automatically zoom in and identify it. Additionally, this app is ideal for physicians, educators or professionals, allowing them to visually show detailed areas of the skeletal system to their patients or students - helping to educate or explain conditions, ailments and injuries.
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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.