DermEngine vs Derm DDx
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DermEngine
This platform offers intelligent and secure dermatology tools for healthcare professionals. It enables online clinic setup, tele-dermatology consultations, and high-quality patient image access. Medical professionals can also securely share cases with colleagues for second opinions.
- AI-based imaging
- Tele-dermatology consultations
- Secure image sharing
- Full-body imaging and tracking
- Expert network for referrals
- HIPAA-compliant
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DermEngine is an advanced, intelligent and secure dermatology platform available anytime, anywhere. Compatible with numerous devices (smartphones, tablets, computers, etc.), it allows health professionals and institutions to set up their clinics online, provide tele-dermatology consultations through a customized mobile app or simply access patients’ images with more quality and accuracy. DermEngine allows medical professionals to share images and cases with their colleagues on their Network for a second opinion. Features: • AI based solution for easy and effective imaging • Seamless communication with the DermEngine Apple TV, macOS and web apps • Simplified documentation • Customizable tele-dermatology module • Full-body imaging, matching and tracking lesions • Expert network and referral • Compatible with any dermatoscope including MoleScope™ • Secure, HIPAA-compliant DermEngine™ takes care of your practice. Patients' images are stored and organized for quick retrieval, and comparison. The user-friendly, secure system manages case records and visits, allowing you to focus on your patients, not the paperwork.*
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 in-app purchases: DermEngine at none against Derm DDx's 1. DermEngine also leads on update cadence (monthly vs every 5 months) and iOS requirement (12.0 vs 15.0). Derm DDx's advantage is rating (4.0 vs 3.8) and 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. DermEngine asks for nothing beyond the download.
Derm DDx holds the better App Store score, 4.0 against 3.8. Both are backed by a comparable volume of ratings — 11 and 4 respectively.
DermEngine ships an update monthly, Derm DDx every 5 months. The most recent releases landed on September 11, 2026 and September 18, 2026 respectively.
| Parameter | DermEngine | Derm DDx |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (11 ratings) | 4.0 (4 ratings) — better |
| Positive reviews | 68.4% of reviews | — |
| Number of ratings | 11 — better | 4 |
| Update frequency | Monthly — better | Every 5 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Best chart rank | — | #194 — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 144 MB | 10 MB |
| Age rating | 12+ | 17+ |
| Developer | MetaOptima Technology Inc. | Unbound Medicine, Inc. |
Customer experience
DermEngine
Derm DDx
In-app purchases
DermEngine
No in-app purchases
Derm DDx
- Dermatology DDx$69.99









