Comparison

CDC Vaccine Schedules vs mobilePDR

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

Head to head
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

About

mobilePDR

Access up-to-date drug prescribing information for healthcare professionals. Quickly search thousands of drug summaries, compare medications, and check for interactions. Identify pills with color photos and imprint codes.

Highlights
  • Concise drug summaries
  • Drug comparison tool
  • Drug interaction checker
  • Pill identification with photos
  • Search by brand, generic, or class
  • Continuous updates
Features
Read full description

mobilePDR® is the OFFICIAL drug information app from PDR®, publisher of Physicians’ Desk Reference® – the most trusted resource for drug prescribing information since 1946. mobilePDR allows healthcare professionals FREE access to the most current drug prescribing information available from PDR. Fast and easy to use, mobilePDR employs a simple, but powerful search tool with access to thousands of concise drug summaries. Users can search by generic, brand or pharmacologic class names. A drug comparison feature helps healthcare providers choose the right medication for their patients based on key drug properties such as indications and side effects, dosing, and more. Know at a glance when there may be a drug interaction. Identify a pill based on its physical characteristics and visually confirm with full-color photos. All therapeutic areas and medical specialties are covered within the PDR drug app, including diabetes drugs, pain drugs, asthma and allergy drugs, cardiovascular drugs, obesity drugs, cholesterol drugs, psychiatric and mental health drugs, pediatric drugs, oncology drugs, vaccines and biologics, and more. Features: - Free to all U.S. healthcare professionals - Simple, powerful search provides fast access to drug information with auto-completion - Personalize your experience by saving drugs that you look up often for quick access - Search by brand, generic or pharmacologic class names - Access concise drug summaries and dosing information to answer important prescribing questions - Drug information is updated continuously with the latest information - Covers thousands of drugs in active use - Swipe left-right to compare key drug characteristics such as dosing, indications, and side effects - Save drug comparisons to refer to them again later - Check for drug interactions and learn what drug combinations to avoid - Identify pills by tablet imprint codes, shape or drug color, complete with color pill images Requirements: - Registration is free, and required the first time you use the mobilePDR app - mobilePDR is intended for use by U.S. healthcare professionals

Screenshots

CDC Vaccine Schedules1 screens
mobilePDR4 screens

Verdict

The call

The clearest difference is rating: CDC Vaccine Schedules at 3.5 against mobilePDR's 3.2. CDC Vaccine Schedules also leads on review sentiment (45% vs 32%). mobilePDR's advantage is iOS requirement (9.0 vs 15.0). On price, ratings volume, update cadence 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

CDC Vaccine Schedules holds the better App Store score, 3.5 against 3.2. Both are backed by a comparable volume of ratings — 93 and 107 respectively. Written reviews point the same way: 45% of CDC Vaccine Schedules's written reviews are positive against 32% of mobilePDR's.

UpkeepUpdate frequency

CDC Vaccine Schedules ships an update every 3 months, mobilePDR every 2 months. The most recent releases landed on November 5, 2026 and November 1, 2026 respectively.

Scorecard3 real differences · 7 level
CDC Vaccine Schedules versus mobilePDR: the parameters behind the verdict, then further details
ParameterCDC Vaccine SchedulesmobilePDR
PriceFreeFree
Rating3.5 (93 ratings) — better3.2 (107 ratings)
Positive reviews45.0% of reviews — better31.7% of reviews
Number of ratings93107 — better
Update frequencyEvery 3 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.09.0 — better
Further details — not scored
Size8 MB112 MB
Age rating17+17+
DeveloperCenters For Disease Control and PreventionPDR Equity, LLC

Customer experience

CDC Vaccine Schedules

All ratings92 ratings
Positive60.9%
Neutral3.3%
Negative35.9%
Written reviews40 reviews
Positive45.0%
Neutral2.5%
Negative52.5%

mobilePDR

All ratings101 ratings
Positive51.5%
Neutral11.9%
Negative36.6%
Written reviews60 reviews
Positive31.7%
Neutral13.3%
Negative55.0%

User reviews

CDC Vaccine Schedules

From 93 App Store ratings

What 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

mobilePDR

From 107 App Store ratings

What we love

  • 👍 Great information resource
  • 👍 Useful for medical professionals
  • 👍 Detailed drug information
  • 👍 No subscriptions needed
  • 👍 Quick and accurate descriptions

Room to improve

  • ⚫ Unreadable in dark mode
  • ⚫ Dark text on black background
  • ⚫ Poor contrast issues
  • 🐛 Buggy at times
  • 🐛 App crashes frequently

Bugs and requests

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
Show 5 more
  • 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
Show 10 more
  • 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

mobilePDR

Reported bugs

9 issues
  • Text unreadable in dark mode
  • Black text on black background
  • App crashes during comparison
  • App crashes on launch
  • Login errors
Show 4 more
  • Drug identification incorrect
  • Cannot read description after upgrade
  • App not communicating with password manager
  • Random black background behind text

Requested features

9 requests
  • Add dark mode option
  • Improve readability in dark mode
  • Allow landscape orientation
  • Fix drug identification errors
  • Add DEA/drug scheduling tab
Show 4 more
  • Add related drugs tab
  • Improve drug comparison tool
  • Add favorite drugs tab
  • Add flashcard feature

In-app purchases

None

CDC Vaccine Schedules

No in-app purchases

None

mobilePDR

No in-app purchases

Questions

Is CDC Vaccine Schedules free?
CDC Vaccine Schedules is free to download, with no in-app purchases.
Is mobilePDR free?
mobilePDR is free to download, with no in-app purchases.
Which has better reviews, CDC Vaccine Schedules or mobilePDR?
CDC Vaccine Schedules is rated higher. CDC Vaccine Schedules averages 3.5 out of 5 from 93 ratings, while mobilePDR averages 3.2 from 107 ratings.
Do CDC Vaccine Schedules or mobilePDR have ads?
Neither CDC Vaccine Schedules nor mobilePDR shows ads.
Which is updated more often, CDC Vaccine Schedules or mobilePDR?
CDC Vaccine Schedules ships an update every 3 months, and mobilePDR every 2 months. Most recently, CDC Vaccine Schedules was updated on November 5, 2026 and mobilePDR on November 1, 2026.

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