Comparison

Fitzpatrick's Derm Flash Cards vs Derm DDx

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Fitzpatrick's Derm Flash Cards

This medical reference app provides flashcards derived from a renowned dermatology atlas, covering common and challenging cases. It features intuitive navigation, powerful search with suggestions, and offline access to all content. Users can bookmark cards, create notes, adjust text size, and test their knowledge with a Q&A section.

Highlights
  • 150 common and 100 rare dermatologic cases
  • Diagnosis, manifestation, and management details
  • Powerful search with smart suggestions
  • Bookmark and note-taking functionality
  • Offline access to all content
  • Adjustable text size
  • Q&A testing section
Features
Read full description

Derived from Fitzpatrick's Color Atlas and Synopsis of Clinical Dermatology, these flashcards represent 150 of the most commonly seen dermatologic problems and 100 rare or challenging cases. Each image includes diagnosis, clinical manifestation, differential diagnosis, and management. 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 can bookmark cards as Know and Don't Know to help you study. You can create notes for cards and images to enhance your learning. You can also change the text size for easier reading. There is also a Q&A section in this app that will allow you to test your knowledge. 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 Fitzpatrick's Dermatology Flash Cards by McGraw-Hill Education. ISBN-13: 978-0071794169 ISBN-10: 0071794166 Authors: Klaus Wolff, MD, FRCP Professor and Chairman Emeritus Department of Dermatology Medical University of Vienna Chief Emeritus, Dermatology Service Department of Dermatology Medical University of Vienna/General Hospital of Vienna Vienna, Austria Richard Allen Johnson, MD Assistant Professor of Dermatology Harvard Medical School Dermatologist Massachusetts General Hospital Boston, Massachusetts Arturo P. Saavedra, MD, PhD, MBA Assistant Professor in Dermatology, Dermatopathology and Medicine Department of Dermatology Brigham and Women's Hospital Harvard Medical School Boston, Massachusetts 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

About

Derm DDx

This app provides visual, point-of-care guidance for diagnosing skin disorders. It features a large database of high-resolution images, allowing users to compare variations, zoom in, and access clinical history and treatment options for over 160 dermatologic conditions.

Highlights
  • 650+ high-quality dermatology images
  • Guidance for 160+ dermatologic conditions
  • Side-by-side image variations
  • Zoomable high-resolution images
  • Clinical history and treatment options
  • Cross-referencing to differential diagnoses
  • Full text search and custom notes
Features
Read full description

The Dermatology DDx app from Unbound Medicine delivers visual, point-of-care guidance for establishing the diagnosis of skin disorders. This powerful, photo-intensive database allows users to search, view side-by-side variations of each skin disorder, easily zoom in on any of the high-resolution images, and instantly link to similar conditions to ensure accurate diagnosis. Each entry also contains clinical history, physical findings, and treatment options. Features of Dermatology DDx include: • 650+ high-quality images presented with common variations in presentation • Point-of-care guidance for 160+ dermatologic conditions • Cross reference links to differential diagnoses • History and treatment within each entry • Appendix charting potencies of topical steroids • Highlight and make custom notes within entries • Full Text Search to find topics quickly • Favorites for ’bookmarking’ important entries Authors: by James G. Dinulos MD, M. Shane Chapman MD, Andrew Eugene Werchniak MD, Dorothea T. Barton MD, Thomas P. Habif MD Publisher: Elsevier Powered by: Unbound Medicine Unbound Privacy Policy: www.unboundmedicine.com/privacy Unbound Terms of Use: https://www.unboundmedicine.com/end_user_license_agreement

Screenshots

Fitzpatrick's Derm Flash Cards4 screens
Derm DDx4 screens

Verdict

The call

The clearest difference is price: Derm DDx at Free against Fitzpatrick's Derm Flash Cards's $29.99. Derm DDx also leads on update cadence (every 5 months vs every 15 months). Fitzpatrick's Derm Flash Cards's advantage is in-app purchases (none vs 1) and iOS requirement (10.0 vs 15.0). On ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Derm DDx is free to download; Fitzpatrick's Derm Flash Cards costs $29.99 up front. Derm DDx sells 1 one-off in-app purchase. Fitzpatrick's Derm Flash Cards asks for nothing beyond the download.

UpkeepUpdate frequency

Fitzpatrick's Derm Flash Cards ships an update every 15 months, Derm DDx every 5 months. The most recent releases landed on October 11, 2026 and October 24, 2026 respectively.

Scorecard5 real differences · 5 level
Fitzpatrick's Derm Flash Cards versus Derm DDx: the parameters behind the verdict, then further details
ParameterFitzpatrick's Derm Flash CardsDerm DDx
Price$29.99Free — better
Rating—4.3 (6 ratings) — better
Positive reviews0.0% of reviews—
Number of ratings—6 — better
Update frequencyEvery 15 monthsEvery 5 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS10.0 — better15.0
Further details — not scored
Size261 MB10 MB
Age rating17+17+
DeveloperUsatine & Erickson Media LLCUnbound Medicine, Inc.

Customer experience

Fitzpatrick's Derm Flash Cards

Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Derm DDx

All ratings6 ratings
Positive83.3%
Neutral0.0%
Negative16.7%

In-app purchases

None

Fitzpatrick's Derm Flash Cards

No in-app purchases

1 purchases

Derm DDx

One-time1
  • Dermatology DDx$69.99

Questions

Is Fitzpatrick's Derm Flash Cards free?
Fitzpatrick's Derm Flash Cards costs $29.99, with no in-app purchases.
Is Derm DDx free?
Derm DDx is free to download, with in-app purchases available.
Do Fitzpatrick's Derm Flash Cards or Derm DDx have ads?
Neither Fitzpatrick's Derm Flash Cards nor Derm DDx shows ads.
Which is updated more often, Fitzpatrick's Derm Flash Cards or Derm DDx?
Fitzpatrick's Derm Flash Cards ships an update every 15 months, and Derm DDx every 5 months. Most recently, Fitzpatrick's Derm Flash Cards was updated on October 11, 2026 and Derm DDx on October 24, 2026.

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