Comparison

Merck Manual Professional vs mobilePDR

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

Head to head
About

Merck Manual Professional

This medical reference app offers healthcare practitioners and students clear, practical explanations for thousands of conditions across major medical and surgical specialties. It includes photos, illustrations, instructional videos, drug information, quizzes, and case simulations to stay updated with the latest clinical information.

Highlights
  • Thousands of medical topics
  • Photos and illustrations
  • Instructional 'How to' videos
  • Drug reference information
  • Knowledge quizzes
  • Interactive case simulations
Features
Read full description

SPECIAL NOTE ABOUT DOWNLOAD *** Downloading this app is a 2-step process: the first step is a download of the app template, and the second step is a full download of app content. Please do not navigate away from the app until both steps have been completed. *** The amount of clinical information currently doubles every 18 months and the pace is only getting faster. Stay up-to-date with the Merck Manual Professional app. This useful medical reference app provides health care practitioners and students with clear, practical explanations for thousands of conditions in all major medical and surgical specialties. With many new features and enhancements, this app covers etiology, pathophysiology, and options for evaluation and treatment. The trusted Merck Manual Professional medical app offers: • Thousands of topics written and updated regularly by more than 350 academic physicians • Photos and Illustrations of thousands of disorders and diseases • “How to” Videos on numerous outpatient procedures and physical examinations. Concise instructional videos by medical experts on these key topics: - Casting and splinting techniques - Orthopedic examinations - Neurologic examinations - Obstetric procedures - Outpatient procedures (including IV lines, tubes, catheters, dislocation reductions and more) • Drug Reference Information* • Quizzes* check knowledge of medical disorders, symptoms, and treatments • Interactive Case Simulations* test ability to treat a specific patient over the disease course • Medical News and Commentary* covering the most current and important medical topics • Editorials* written by top medical experts *Internet access needed. About Merck Manuals Our mission is simple: We believe that health information is a universal right and that every person is entitled to accurate, accessible and usable medical information. We have a responsibility to protect, preserve and share the best current medical information to enable more informed decisions, enhance relationships between patients and professionals, and improve health care outcomes around the world. That’s why we are making the Merck Manuals available for free in digital form to professionals and patients around the world. No registration or subscription required, and no ads. NOND-1179303-0001 04/16 This mobile application is intended for Healthcare Professionals in the United States, its territories, Puerto Rico, and Canada only. For more information please read the End User License Agreement at https://www.merck.com/policy/terms-of-use/merck-apps-home.html. For more information about our privacy practices, please see our privacy commitment at https://www.msdprivacy.com To report an adverse event with a specific Merck product, please call the Merck National Service Center at 1-800-672-6372. For questions or help with the app, please contact merckmanualsinfo@merck.com

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

Merck Manual Professional4 screens
mobilePDR4 screens

Verdict

The call

The clearest difference is review sentiment: Merck Manual Professional at 92% against mobilePDR's 32%. Merck Manual Professional also leads on rating (4.8 vs 3.2) and ratings volume (1.1K vs 107). mobilePDR's advantage is iOS requirement (9.0 vs 13.0). On price, update cadence, ads and in-app purchases 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

Merck Manual Professional holds the better App Store score, 4.8 against 3.2. That said, the two scores are not equally well evidenced: Merck Manual Professional has 1.1K ratings behind it against 107, so its average is the more settled of the two. Written reviews point the same way: 92% of Merck Manual Professional's written reviews are positive against 32% of mobilePDR's.

UpkeepUpdate frequency

Merck Manual Professional ships an update every 4 months, mobilePDR every 2 months. The most recent releases landed on October 31, 2026 and October 22, 2026 respectively.

Scorecard4 real differences · 6 level
Merck Manual Professional versus mobilePDR: the parameters behind the verdict, then further details
ParameterMerck Manual ProfessionalmobilePDR
PriceFreeFree
Rating4.8 (1.1K ratings) — better3.2 (107 ratings)
Positive reviews91.7% of reviews — better31.7% of reviews
Number of ratings1.1K — better107
Update frequencyEvery 4 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.09.0 — better
Further details — not scored
Size196 MB112 MB
Age rating17+17+
DeveloperMerck & Co IncPDR Equity, LLC

Customer experience

Merck Manual Professional

All ratings1,036 ratings
Positive95.1%
Neutral1.5%
Negative3.4%
Written reviews277 reviews
Positive91.7%
Neutral2.2%
Negative6.1%

mobilePDR

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

User reviews

Merck Manual Professional

From 1.1K App Store ratings

What we love

  • 💯 Excellent medical resource
  • 🔍 Comprehensive and up-to-date information
  • 🎓 Valuable for medical professionals and students
  • 🔍 Reliable and trusted source
  • 🖥️ Great offline accessibility

Room to improve

  • 🐛 App crashes and freezes
  • 🔍 Lack of search functionality
  • 🔍 Outdated or missing content
  • 🔍 Difficult navigation and organization

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

Merck Manual Professional

Reported bugs

3 issues
  • App crashes when searching for certain conditions
  • Images and videos not loading properly
  • Offline mode not working as expected

Requested features

4 requests
  • Add personalization features like notes, highlights, and flashcards
  • Improve search functionality and relevance
  • Provide more frequent content updates
  • Enhance app stability and performance

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

Merck Manual Professional

No in-app purchases

None

mobilePDR

No in-app purchases

Questions

Is Merck Manual Professional free?
Merck Manual Professional 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, Merck Manual Professional or mobilePDR?
Merck Manual Professional is rated higher. Merck Manual Professional averages 4.8 out of 5 from 1.1K ratings, while mobilePDR averages 3.2 from 107 ratings.
Do Merck Manual Professional or mobilePDR have ads?
Neither Merck Manual Professional nor mobilePDR shows ads.
Which is updated more often, Merck Manual Professional or mobilePDR?
Merck Manual Professional ships an update every 4 months, and mobilePDR every 2 months. Most recently, Merck Manual Professional was updated on October 31, 2026 and mobilePDR on October 22, 2026.

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