Comparison

VisualDx vs CDC Vaccine Schedules

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

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.

Highlights
  • 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
Features
Read full description

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

VisualDx4 screens
CDC Vaccine Schedules1 screens

Verdict

The call

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) and iOS requirement (11.0 vs 16.4). 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

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

VisualDx ships an update fortnightly, CDC Vaccine Schedules every 3 months. The most recent releases landed on September 23, 2026 and September 20, 2026 respectively.

Scorecard7 real differences · 4 level
VisualDx versus CDC Vaccine Schedules: the parameters behind the verdict, then further details
ParameterVisualDxCDC Vaccine Schedules
PriceFreeFree
Rating4.4 (186 ratings) — better3.5 (93 ratings)
Positive reviews84.3% of reviews — better45.0% of reviews
Number of ratings186 — better93
Update frequencyFortnightly — betterEvery 3 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscriptionFree — better
Best chart rank#22 — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.411.0 — better
Further details — not scored
Size226 MB9 MB
Age rating17+17+
DeveloperLogical ImagesCenters For Disease Control and Prevention

Customer experience

VisualDx

All ratings186 ratings
Positive83.3%
Neutral4.8%
Negative11.8%
Written reviews102 reviews
Positive84.3%
Neutral1.0%
Negative14.7%

CDC Vaccine Schedules

All ratings93 ratings
Positive61.3%
Neutral3.2%
Negative35.5%
Written reviews40 reviews
Positive45.0%
Neutral2.5%
Negative52.5%

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

CDC Vaccine Schedules

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

CDC Vaccine Schedules

No in-app purchases

Questions

Is VisualDx free?
VisualDx is free to download, with in-app purchases available.
Is CDC Vaccine Schedules free?
CDC Vaccine Schedules is free to download, with no in-app purchases.
Which has better reviews, VisualDx or CDC Vaccine Schedules?
VisualDx is rated higher. VisualDx averages 4.4 out of 5 from 186 ratings, while CDC Vaccine Schedules averages 3.5 from 93 ratings.
Do VisualDx or CDC Vaccine Schedules have ads?
Neither VisualDx nor CDC Vaccine Schedules shows ads.
Which is updated more often, VisualDx or CDC Vaccine Schedules?
VisualDx ships an update fortnightly, and CDC Vaccine Schedules every 3 months. Most recently, VisualDx was updated on September 23, 2026 and CDC Vaccine Schedules on September 20, 2026.

Other comparisons