VisualDx vs ZoomRx
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/
ZoomRx
This platform connects doctors, patients, and pharmaceutical companies for real-time data collection through surveys. It aims to improve healthcare system efficiency by accelerating information flow and enhancing user experiences. Surveys are conducted adhering to CASRO guidelines.
- Real-time survey panels
- Connects doctors, patients, pharma
- Information flow acceleration
- CASRO compliant surveys
- Data collection from stakeholders
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ZoomRx is a survey platform that facilitates communication between doctors, patients, and pharmaceutical companies. The application enables patient/research organizations, pharmaceutical/biotech companies, and other survey sponsoring entities to collect information from "connected real-time panels" of patients, doctors, insurance providers, pharmacists and other stakeholders in the healthcare system. The surveys taken on ZoomRx will enhance the experience and lives of all parties involved in the health-care system by quickening the rate of information flow. The surveys on ZoomRx are designed as per guidelines issued by the Council of American Survey Research Organizations (CASRO). We adhere to the code of standards and ethics laid out by CASRO. If you have any questions on ZoomRx, please e-mail: info@zoomrx.com
Screenshots
Verdict
The clearest difference is in-app purchases: ZoomRx at none against VisualDx's 11. ZoomRx also leads on iOS requirement (13.0 vs 16.4). VisualDx's advantage is review sentiment (84% vs 61%) and update cadence (fortnightly vs every 2 months). On price, rating, ratings volume and ads 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. ZoomRx asks for nothing beyond the download.
ZoomRx holds the better App Store score, 4.6 against 4.4. Both are backed by a comparable volume of ratings — 186 and 407 respectively. Written reviews complicate that: 84% of VisualDx's written reviews are positive against 61% of ZoomRx's, so the app with the better star average is not the one people write more warmly about.
VisualDx ships an update fortnightly, ZoomRx every 2 months. The most recent releases landed on October 12, 2026 and October 10, 2026 respectively.
| Parameter | VisualDx | ZoomRx |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (186 ratings) | 4.6 (407 ratings) — better |
| Positive reviews | 84.3% of reviews — better | 61.0% of reviews |
| Number of ratings | 186 | 407 — better |
| Update frequency | Fortnightly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Subscription | Free — better |
| Best chart rank | #22 — better | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.4 | 13.0 — better |
| Further details — not scored | ||
| Size | 220 MB | 37 MB |
| Age rating | 17+ | 4+ |
| Developer | Logical Images | ZoomRx Inc. |
Customer experience
VisualDx
ZoomRx
User reviews
VisualDx
From 186 App Store ratingsWhat we love
- 📸 Excellent clinical images and kodachromes
- 👍 User-friendly interface and easy navigation
- 🎓 Comprehensive differential diagnosis tool
- 📚 Detailed disease summaries and treatment information
- 🌍 Inclusive representation of skin of color
Room to improve
- 💰 Expensive subscription cost
- ❌ Difficult subscription cancellation process
- 🐛 App crashes and performance issues
- 📱 Quiz feature laggy and unreliable
- 😤 Poor customer service responsiveness
ZoomRx
From 407 App Store ratingsWhat we love
- 👍 User-friendly interface
- 👍 Good compensation for surveys
- 👍 Interesting survey topics
- 👍 Fast and honest compensation
- 👍 Organized survey presentation
Room to improve
- 🐛 Technical design issues
- 🐛 Small print, no zoom
- 🐛 Stops headphone playback
- 🐛 Exclusion due to practice duration
- 🐛 Ageism in surveys
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
ZoomRx
Reported bugs
8 issues- App no longer loads
- Surveys are buggy and freeze
- Cannot access payment
- Surveys stop headphone playback
- Print too small and cannot zoom
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- Screening questions repeated
- App does not load at all
- Can't sign up
Requested features
13 requests- Ability to zoom on survey print
- Option to combine medication usage
- Better tracking of medication combinations
- More surveys for pediatricians/general providers
- More surveys for specific conditions
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- Minimum compensation for disqualified data
- Better spectrum of diseases for surveys
- Faster customer service response
- Improved app loading times
- More opportunities for experienced practitioners
- Increased survey availability
- Higher compensation for surveys
- Improved survey stability
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
ZoomRx
No in-app purchases
