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.
The book that belongs in the pocket of every clinician working in an acute care setting
$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 Tintinalli's ER Manual: 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: Lack of engaging user interface and UX design
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Limited free content, discouraging new users
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Difficult navigation for users unfamiliar with medical terminology
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: High price point for access
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.
The book that belongs in the pocket of every clinician working in an acute care setting This portable manual encapsulates the most clinically relevant content of Tintinalli’s Emergency Medicine, Eighth Edition – the world’s bestselling text on the topic -- and puts it at your fingertips, or in your pocket or backpack. Covering the full spectrum of emergency medicine in all patient populations – adult and pediatric – this full-color guide is composed of concise chapters that focus on clinical features, diagnosis and differential, and emergency management and disposition. Packing a remarkable amount of information in a compact, full-color presentation, Tintinalli’s Emergency Medicine Manual, Eighth Edition is enhanced by contributors from across the globe. Numerous tables and full-color photographs and illustrations enrich the text and help you deliver skillful and timely patient care. This new edition includes extensive updates to all sections, incorporating the latest guidelines, evidence-based protocols, and relevant research. No Internet connection needed to view the app after it has been downloaded. It is all ready for quick image and information retrieval. This app is optimized for whatever size device you are using, either phone or tablet. This app is easy to navigate, allowing you to browse the contents or search for topics. The search tool shows you suggestions that appear in the text as you type so it is quick and helps with spelling medical terms. It also remembers past search terms so you can go back to a topic or image very easily. You can also create notes and bookmarks separately for chapters and images to enhance your learning. You can also change the text size for easier reading. Check out www.usatinemedia.com to learn more and watch a video demo of this app. This interactive app is based on the full content of Tintinalli's Emergency Medicine Manual, Eighth Edition by McGraw-Hill Education. Editors: Rita K. Cydulka, MD, MS Professor, Department of Emergency Medicine Associate Professor, Department of Biostatistics and Epidemiology Case Western Reserve University MetroHealth Medical Center Cleveland, Ohio Michael T. Fitch, MD, PhD Professor and Vice Chair for Academic Affairs Department of Emergency Medicine Wake Forest School of Medicine Winston-Salem, North Carolina Scott A. Joing, MD Associate Professor Department of Emergency Medicine University of Minnesota Medical School Faculty Physician Hennepin County Medical Center Minneapolis, Minnesota Vincent J. Wang, MD, MHA Professor of Clinical Pediatrics Keck School of Medicine of the University of Southern California Associate Division Head Division of Emergency Medicine Children’s Hospital Los Angeles Los Angeles, California David M. Cline, MD Professor and Director of Departmental Research Department of Emergency Medicine Wake Forest School of Medicine Winston-Salem, North Carolina O. John Ma, MD Professor and Chair Department of Emergency Medicine Oregon Health & Science University Portland, Oregon Disclaimer: This app is intended for the education of healthcare professionals and not as a diagnostic and treatment reference for the general population. Developed by Usatine Media, LLC Richard P. Usatine, MD, Co-President, Professor of Family & Community Medicine, Professor of Dermatology and Cutaneous Surgery, University of Texas Health Science Center San Antonio Peter Erickson, Co-President, Lead Software Developer
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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.