App Overview

Field Guide Wilderness Med. 4E icon

Field Guide Wilderness Med. 4E

Usatine & Erickson Media LLC · Medical

Field Guide to Wilderness Medicine - based on Dr

$39.99 · In-app purchases

PRICE
$39.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
5.0
2 ratings · Top 5%

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.

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A product spec, screen plans, and build steps for your coding agent.

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What's included18 files

A product spec, phased build plan, differentiation notes, and screen references.

  • START_HERE
  • AGENTS
  • EVIDENCE
  • SPEC
  • BUILD_PLAN
  • DIFFERENTIATION
  • skills/
  • screens/
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Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.

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.

Screen plan

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.

Differentiate and validate

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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> SELECT BUILD PLATFORM:

Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.

// RORK SYSTEM PROMPT
Rork plan preview for Field Guide Wilderness Med. 4E: 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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Opportunities

AI-GENERATED OPPORTUNITY HYPOTHESES

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

Offer a freemium model with limited features to attract more users.

Assumption to check: High price point for users

Validate with people who use this workflow before building.

Hypothesis 2

Implement a download feature for offline reading.

Assumption to check: Limited offline access to articles

Validate with people who use this workflow before building.

Hypothesis 3

Enhance user flow with clearer navigation cues.

Assumption to check: Navigation can be confusing

Validate with people who use this workflow before building.

Hypothesis 4

Incorporate videos and interactive content to enrich user experience.

Assumption to check: Lack of multimedia content

Validate with people who use this workflow before building.

App evidence

Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.

App Store description

Field Guide to Wilderness Medicine - based on Dr. Auerbach’s critically acclaimed text Wilderness Medicine - offers fast-access solutions to all of the medical situations that can occur in non-traditional settings. This indispensable, compact survival guide is detailed enough to cover the clinical presentation and treatment of a full range of wilderness emergencies! Key Features: • Meet a full-range of emergency situations with the utmost effectiveness. Appendices address everything from environment-specific situations to lists of essential supplies, medicines, and many additional topics of care. • Compare what you are seeing with line drawings and color plates to quickly and accurately identify skin manifestations, plants, poisonous mushrooms, snakes, spiders, insects, etc. • Rapidly retrieve and comprehend wilderness survival information with the aid of an easily accessible format featuring "Signs and Symptoms" and "Treatment" sections in most chapters - combined with bulleted lists and text boxes. This app is very intuitive and easy to navigate, allowing you to browse the contents or search for topics. The powerful search tool gives you word suggestions that appear in the text as you type, so it is lightning fast and helps with spelling those long medical terms. The search tool also keeps a recent history of past search terms so you can go back to a previous search result very easily. You have the ability to create notes and bookmarks separately for text, images and tables to enhance your learning. You can also change the text size for easier reading. After the app has been downloaded, no internet connection is needed to retrieve the content of the app. All of the text and images are available to you on your device anytime, anywhere, and lightning fast. This app is also automatically optimized for whatever size device you are currently using, either phone or tablet. Check out https://usatinemedia.com to learn more and watch a video demo of this app. This interactive app contains the full content of Field Guide to Wilderness Medicine, 4th Edition by Elsevier. ISBN-13: 978-0323100458 ISBN-10: 0323100457 Editors: Paul S. Auerbach, MD, MS, FACEP, FAWM Redlich Family Professor of Surgery Division of Emergency Medicine Stanford University School of Medicine Stanford, California Benjamin B. Constance, MD Clinical Instructor Division of Emergency Medicine Stanford University School of Medicine Stanford, California Luanne Freer, MD, FACEP, FAWM Medical Director, Medcor Yellowstone National Park Founder and Director Everest Base Camp Medical Clinic Himalayan Rescue Association Bozeman, Montana 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 Richard P. Usatine, MD, Co-President, Professor of Family & Community Medicine, Professor of Dermatology and Cutaneous Surgery, University of Texas Health San Antonio Peter Erickson, Co-President, Lead Software Developer

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Screenshots

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Build scope

Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.

Define the first version

Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.

Set boundaries

Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.

Check the hard parts

Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.

SUGGESTED BUILD STACK
React Navigation
Axios
React Query
Expo Sharing
Redux
BUILD KIT DIFFICULTY
Intermediate

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.