Comparison

VisualDx vs DermAssist

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

Head to head
About

VisualDx

This visual reference tool aids medical professionals in improving patient engagement and diagnostic accuracy. It utilizes AI and a vast image atlas to help build custom differentials, share patient-specific images, and access comprehensive diagnostic information. Earn continuing education credits while making better medical decisions.

Highlights
  • Build custom differentials
  • Engage patients with visual aids
  • Improve diagnostic accuracy
  • Access therapy and test options
  • Recognize infectious diseases
  • Earn CME credits
Currently charting
Read full description

VisualDx is a visual reference tool for medical professionals that leverages AI technology and a comprehensive image atlas to support faster, more confident decisions, fewer unnecessary referrals and testing, and higher patient engagement and satisfaction. With VisualDx, clinicians can: • Build dynamic differentials that evolve as you think. • Use guided support to surface clinically relevant results. • Compare diagnoses to improve decisions for your patients. • Use our AI to take a picture of your patient’s skin condition to better understand morphology and possibilities. • Engage with patients by sharing pictures of skin that reflect their disease presentation. • Access therapy and testing recommendations across over 3,500 conditions. • Quickly recognize infectious diseases and travel-related illnesses with our public health resources. • Test your diagnostic skills with our image challenges and educational resources. • Earn 0.5 AMA PRA Category 1 Credits™ for internet point of care activity with every search. See why this award-winning clinical decision support system is being used in more than 2,300 hospitals, clinics, and medical schools by physicians, nurses, students, PAs, NPs, and other healthcare professionals worldwide. VisualDx requires a subscription. Terms of Use: https://www.visualdx.com/legal/acceptable-use-policy-notice Privacy Policy: https://www.visualdx.com/legal/privacy-policy/

About

DermAssist

Features
Read full description

DermAssist is a set of tools built to help Dermatologists and Medical Assistants with calculation. DISCLAIMER: THIS APP DOES NOT PROVIDE MEDICAL ADVICE The information, including but not limited to, text, graphics, images and other material contained on this website are for informational purposes only. No material on this site is intended to be a substitute for professional medical advice, diagnosis or treatment. Always seek the advice of your physician or other qualified health care provider with any questions you may have regarding a medical condition or treatment and before undertaking a new health care regimen, and never disregard professional medical advice or delay in seeking it because of something you have read on this app.

Screenshots

VisualDx4 screens
DermAssist4 screens

Verdict

The call

The clearest difference is price: VisualDx at Free against DermAssist's $4.99. VisualDx also leads on chart position (#15 vs unranked). DermAssist's advantage is in-app purchases (none vs 11) and iOS requirement (13.4 vs 16.4). On update cadence, 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

VisualDx is free to download; DermAssist costs $4.99 up front. VisualDx sells 11 in-app purchases, starting at $39.99 per month. DermAssist asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on September 29, 2026 and September 18, 2026 respectively.

Scorecard4 real differences · 7 level
VisualDx versus DermAssist: the parameters behind the verdict, then further details
ParameterVisualDxDermAssist
PriceFree — better$4.99
Rating4.4 (186 ratings) — better—
Positive reviews84.3% of reviews—
Number of ratings186 — better—
Update frequencyFortnightlyFortnightly
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscription—
Best chart rank#15 — better—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.413.4 — better
Further details — not scored
Size226 MB18 MB
Age rating17+4+
DeveloperLogical ImagesKeaton Benning, LLC

Bugs and requests

VisualDx

Reported bugs

6 issues
  • App crashes when using quiz feature
  • CME credit claiming functionality fails
  • Subscription cancellation not processed
  • Renewal charges despite cancellation requests
  • Quiz unable to load properly
Show 1 more
  • Account access issues after payment

Requested features

6 requests
  • Make app free again (previously free)
  • Simplify subscription cancellation in-app
  • Improve quiz functionality for mobile
  • Add quiz feature to desktop version
  • Expand patient information handouts
Show 1 more
  • Better quiz image clarity and context

DermAssist

Not enough reviews yet to summarise bugs or requests.

In-app purchases

11 purchases

VisualDx

Subscriptions9
  • Complete (1 Month)1 Month trial$39.991 Month
  • VisualDx Core Monthly7 Days trial$39.991 Month
  • Complete+DermExpert (1 Month)1 Month trial$49.991 Month
Show 6 more
  • VisualDx Elite Monthly7 Days trial$49.991 Month
  • Add DermExpert (1 Year)$99.991 Year
  • Complete (1 Year)1 Month trial$149.991 Year
  • VisualDx Core Annual7 Days trial$249.991 Year
  • VisualDx Elite Annual7 Days trial$299.991 Year
  • Complete+DermExpert (1 Year)1 Month trial$499.991 Year
One-time2
  • Add DermExpert (1 yr)$99.99
  • Complete (1 yr)$399.99
None

DermAssist

No in-app purchases

Questions

Is VisualDx free?
VisualDx is free to download, with in-app purchases available.
Is DermAssist free?
DermAssist costs $4.99, with no in-app purchases.
Do VisualDx or DermAssist have ads?
Neither VisualDx nor DermAssist shows ads.
Which is updated more often, VisualDx or DermAssist?
VisualDx ships an update fortnightly, and DermAssist fortnightly. Most recently, VisualDx was updated on September 29, 2026 and DermAssist on September 18, 2026.

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