VisualDx vs CDC Vaccine Schedules
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/
CDC Vaccine Schedules
Provides healthcare professionals with quick access to CDC-recommended immunization schedules for all ages. Features include color-coded schedules, hyperlinked vaccine details, and catch-up schedules. Content is automatically updated when connected to ensure the latest information.
- Infant, child, and adolescent schedules
- Adult immunization recommendations
- Contraindications and precautions table
- Color-coded schedule coordination
- Hyperlinked dose specifics
- Catch-up schedule guidance
- Automatic content updates
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Quick access from CDC to ACIP-recommended immunization schedules, complete with footnotes. Intended for healthcare professionals recommending and administering vaccines to infants, children, adolescents, and adults. This app is one of an expanding collection of applications from CDC on a variety of specific topics, each optimized for your mobile device. When your device is connected, content is automatically updated so you have the most up-to-date information. This tool provides: - Child and adolescent schedules, with immunization recommendations from birth through age 18 - Adult schedule, listing recommended vaccines for adults by age group and by medical conditions - Contraindications and precautions table, with footnotes applying to schedules Features include - Color coding coordinates with printed schedules - Hyperlinked vaccine name opens pop-up with dose specifics - Catch-up schedule for children 4 months through 18 years shows minimum dosing interval - Related vaccine resources and websites - Automatic updates
Screenshots
Verdict
The clearest difference is rating: VisualDx at 4.4 against CDC Vaccine Schedules's 3.5. VisualDx also leads on review sentiment (84% vs 45%) and update cadence (fortnightly vs every 3 months). CDC Vaccine Schedules's advantage is in-app purchases (none vs 11). 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. VisualDx sells 11 in-app purchases, starting at $39.99 per month. CDC Vaccine Schedules asks for nothing beyond the download.
VisualDx holds the better App Store score, 4.4 against 3.5. Both are backed by a comparable volume of ratings — 186 and 93 respectively. Written reviews point the same way: 84% of VisualDx's written reviews are positive against 45% of CDC Vaccine Schedules's.
VisualDx ships an update fortnightly, CDC Vaccine Schedules every 3 months. The most recent releases landed on November 1, 2026 and October 24, 2026 respectively.
| Parameter | VisualDx | CDC Vaccine Schedules |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (186 ratings) — better | 3.5 (93 ratings) |
| Positive reviews | 84.3% of reviews — better | 45.0% of reviews |
| Number of ratings | 186 — better | 93 |
| Update frequency | Fortnightly — better | Every 3 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Subscription | Free — better |
| Best chart rank | #35 — better | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.4 | 15.0 — better |
| Further details — not scored | ||
| Size | 220 MB | 8 MB |
| Age rating | 17+ | 17+ |
| Developer | Logical Images | Centers For Disease Control and Prevention |
Customer experience
VisualDx
CDC Vaccine Schedules
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
CDC Vaccine Schedules
From 93 App Store ratingsWhat we love
- 👍 Handy reference for vaccine schedules
- 👍 Good for pharmacists
- 👍 Useful for NPs
- 👍 Informative for parents
- 👍 Quick and easy navigation
Room to improve
- 🐛 Not updating to current recommendations
- 🐛 No longer valuable for vaccines
- 🐛 Dangerous and useless ordeal
- 🐛 Not user friendly
- 🐛 Poor app design
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
CDC Vaccine Schedules
Reported bugs
10 issues- App not updating to current recommendations
- App stopped working
- App no longer loads
- App keeps crashing
- App freezes and cannot press home button
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- App freezes when viewing contraindications
- Cannot push back arrow, app has to be closed
- Cannot scroll page to view all schedules
- App does not work with iPhone 6
- Errors abound, forces app restart
Requested features
15 requests- Update to current recommendations
- Include COVID and travel vaccines
- Separate guide for 65+
- Include adverse effects and package inserts
- Allow continuous symptom monitoring and reporting
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- Improve app design for personalization
- Add map legend
- Include COVID vaccine efficacy and breakthrough case reporting
- Add option to track vaccination records
- Include less common vaccines
- Option to add vaccines by date for reminders
- Add travel medicine link to main screen
- Disclaim age schedules assume normal health
- Instructions on how to use app
- Option to customize health profile
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
CDC Vaccine Schedules
No in-app purchases
Questions
Is VisualDx free?
Is CDC Vaccine Schedules free?
Which has better reviews, VisualDx or CDC Vaccine Schedules?
Do VisualDx or CDC Vaccine Schedules have ads?
Which is updated more often, VisualDx or CDC Vaccine Schedules?
Other comparisons
