VisualDx vs WHO UMD
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Build custom differentials
- Engage patients with visual aids
- Improve diagnostic accuracy
- Access therapy and test options
- Recognize infectious diseases
- Earn CME credits
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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/
WHO UMD
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The Unified Medical Dictionary is a dictionary app for medical terms made by WHO Regional Office for the Eastern Mediterranean. It contains translations and definitions of medical terms in multiple languages. The medical terms database is updated frequently by EMRO team.
Screenshots
Verdict
The clearest difference is in-app purchases: WHO UMD at none against VisualDx's 11. WHO UMD also leads on iOS requirement (9.0 vs 16.4). VisualDx's advantage is chart position (#19 vs unranked). On price, 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. VisualDx sells 11 in-app purchases, starting at $39.99 per month. WHO UMD asks for nothing beyond the download.
| Parameter | VisualDx | WHO UMD |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (186 ratings) — better | — |
| Positive reviews | 84.3% of reviews | — |
| Number of ratings | 186 — better | — |
| Update frequency | Fortnightly | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Subscription | — |
| Best chart rank | #19 — better | — |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.4 | 9.0 — better |
| Further details — not scored | ||
| Size | 220 MB | 49 MB |
| Age rating | 17+ | 4+ |
| Developer | Logical Images | World Health Organization |
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
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- 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
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- Better quiz image clarity and context
WHO UMD
Not enough reviews yet to summarise bugs or requests.
In-app purchases
VisualDx
- 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
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- 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
- Add DermExpert (1 yr)$99.99
- Complete (1 yr)$399.99
WHO UMD
No in-app purchases
Questions
Is VisualDx free?
Is WHO UMD free?
Do VisualDx or WHO UMD have ads?
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