DermaCompass vs Derm DDx
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DermaCompass
This medical app serves as a diagnostic tool and electronic textbook for physicians. It offers a comprehensive database of skin disease diagnoses, differential diagnoses, therapies, and high-resolution images to aid in daily clinical work. Users can access detailed information, compare images, and receive therapy guidance.
- Diagnostic tool
- Electronic textbook
- 322 diagnoses
- 450 differential diagnoses
- 159 therapies
- 6,000+ images
- Personalized notes and sharing
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DermaCompass is a diagnostic tool and electronic textbook. With currently 322 diagnoses, 450 differential diagnoses, 159 therapies and over 6,000 images, the app supports physicians in their daily work. DermaCompass enables differential diagnoses, the comparison of images and provides tips for therapy. The textbook contains clinical information about skin diseases, high-resolution images, and treatment algorithms. From the main menu, the user can access the electronic textbook with up-to-date facts on numerous dermatological diseases. All information is regularly revised and extended by experienced professionals. The table of contents allows direct navigation to relevant subchapters. A search function can be used to access information on individual diseases. A list of the most important dermatological drugs including medical indications is available for quick reference (only available in Switzerland). In addition, the app can be personalized, e.g., highlighting text and adding personal notes and sharing these with colleagues. These functions are available after registration.
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.
- 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
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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
Verdict
The clearest difference is rating: DermaCompass at 5.0 against Derm DDx's 4.0. DermaCompass also leads on in-app purchases (none vs 1) and update cadence (every 3 weeks vs every 5 months). Derm DDx's advantage is chart position (#194 vs unranked). On price, ratings volume, 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
Both are free to download. Derm DDx sells 1 one-off in-app purchase. DermaCompass asks for nothing beyond the download.
DermaCompass holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 2 and 4 respectively.
DermaCompass ships an update every 3 weeks, Derm DDx every 5 months. The most recent releases landed on August 3, 2026 and September 18, 2026 respectively.
| Parameter | DermaCompass | Derm DDx |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | 4.0 (4 ratings) |
| Number of ratings | 2 | 4 — better |
| Update frequency | Every 3 weeks — better | Every 5 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Best chart rank | — | #194 — better |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 38 MB | 10 MB |
| Age rating | 17+ | 17+ |
| Developer | swiss4ward Europe S.L. | Unbound Medicine, Inc. |
Customer experience
DermaCompass
Derm DDx
In-app purchases
DermaCompass
No in-app purchases
Derm DDx
- Dermatology DDx$69.99
Questions
Is DermaCompass free?
Is Derm DDx free?
Which has better reviews, DermaCompass or Derm DDx?
Do DermaCompass or Derm DDx have ads?
Which is updated more often, DermaCompass or Derm DDx?
Other comparisons
