Comparison

Merck Manual Professional vs Bates' Pocket Guide

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

Bates' Pocket Guide

This app provides essential information for obtaining health histories and conducting physical exams. It features step-by-step techniques, updated images, and differential diagnoses for quick and accurate interpretation of findings. Ideal for students and professionals needing a fast reference.

Highlights
  • Over 130 detailed topics
  • Step-by-step instructions
  • Updated photographs and illustrations
  • Two-column layout
  • New Algorithms for symptom approaches
  • Differential diagnoses
  • Highlighting and note-taking
  • Advanced search
Features
Read full description

*Featuring the latest content from the latest edition* ABOUT THE BATES' GUIDE: The Bates’ Pocket Guide to Physical Examination and History Taking contains the critical information needed to obtain a meaningful health history, conduct a thorough physical exam, and interpret the findings quickly and accurately. Locate answers fast and review step-by-step techniques and possible findings using the distinctive two-column format with updated images. Bates’ Pocket Guide to Physical Examination and History Taking is the ideal quick-reference resource for today’s medical, PA, pharmacy, and nursing students. FEATURES: • Over 130 detailed topics with step-by-step instructions • Updated photographs, illustrations, and references reinforce key content based on the latest evidence-based information • Two-column layout optimized for smartphones and tablets • New Algorithms provide helpful starting approaches for patients with common presenting symptoms. • Differential diagnoses for common, normal, and abnormal findings • Highlight and take notes within any entry • Advanced Search helps find topics quickly • “Favorites” for bookmarking important entries Authors: Lynn S. Bickley MD, FACP, Peter G. Szilagyi MD, MPH, Richard M. Hoffman MD, MPH, FACP, Rainier P. Soriano MD Publisher: Wolters Kluwer | Lippincott Williams & Wilkins Powered by: Unbound Medicine Unbound Privacy Policy: www.unboundmedicine.com/privacy Unbound Terms of Use: https://www.unboundmedicine.com/end_user_license_agreement

Screenshots

Merck Manual Professional4 screens
Bates' Pocket Guide4 screens

Verdict

The call

Merck Manual Professional and Bates' Pocket Guide both sit at 4.8 stars, but that hides the real split: 92% of Merck Manual Professional's written reviews are positive against 41% of Bates' Pocket Guide's. Merck Manual Professional also leads on in-app purchases (none vs 1) and update cadence (every 4 months vs every 11 months). On price, rating, 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. Bates' Pocket Guide sells 1 one-off in-app purchase. Merck Manual Professional asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for Merck Manual Professional against 4.8 for Bates' Pocket Guide. Both are backed by a comparable volume of ratings — 1.1K and 304 respectively. Written reviews are what separate them: 92% of Merck Manual Professional's written reviews are positive against 41% of Bates' Pocket Guide's.

UpkeepUpdate frequency

Merck Manual Professional ships an update every 4 months, Bates' Pocket Guide every 11 months. The most recent releases landed on November 6, 2026 and November 9, 2026 respectively.

Scorecard6 real differences · 4 level
Merck Manual Professional versus Bates' Pocket Guide: the parameters behind the verdict, then further details
ParameterMerck Manual ProfessionalBates' Pocket Guide
PriceFreeFree
Rating4.8 (1.1K ratings)4.8 (304 ratings) — better
Positive reviews91.7% of reviews — better40.9% of reviews
Number of ratings1.1K — better304
Update frequencyEvery 4 months — betterEvery 11 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac — better
Requires iOS13.0 — better15.0
Further details — not scored
Size196 MB10 MB
Age rating17+17+
DeveloperMerck & Co IncUnbound Medicine, Inc.

Customer experience

Merck Manual Professional

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

Bates' Pocket Guide

All ratings304 ratings
Positive94.4%
Neutral2.3%
Negative3.3%
Written reviews22 reviews
Positive40.9%
Neutral13.6%
Negative45.5%

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

Bates' Pocket Guide

From 304 App Store ratings

What we love

  • 👍 Reliable reference
  • 🖼️ Helpful pictures for diagnosis
  • 📚 Good for quick reference
  • 💡 Easy to understand and logical format
  • 🎯 Useful for clinicals and easy to maneuver

Room to improve

  • 💰 Overpriced app
  • 🔄 Outdated software
  • 🖱️ Not user-friendly navigation
  • 💸 Repeated payments required
  • ❌ Incorrect information/algorithms

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

Bates' Pocket Guide

Reported bugs

9 issues
  • Sectional information is wrong
  • Topics do not correlate to information
  • Asterisk information is incorrect
  • App information needs updating and reviewing
  • Software is glitchy
Show 4 more
  • Hard to navigate between topics
  • Algorithm images are mismatched with titles
  • Doesn't take Bates account
  • Didn't work (iOS 7)

Requested features

5 requests
  • Update and review app information for accuracy
  • Improve content layout and navigation
  • Offer better preview options before purchase
  • Provide discounts for existing textbook/resource owners
  • Clarify product offerings to avoid buyer confusion

In-app purchases

None

Merck Manual Professional

No in-app purchases

1 purchases

Bates' Pocket Guide

One-time1
  • Bates' Pocket Guide 9th ed.$69.99

Questions

Is Merck Manual Professional free?
Merck Manual Professional is free to download, with no in-app purchases.
Is Bates' Pocket Guide free?
Bates' Pocket Guide is free to download, with in-app purchases available.
Which has better reviews, Merck Manual Professional or Bates' Pocket Guide?
Bates' Pocket Guide is rated higher. Merck Manual Professional averages 4.8 out of 5 from 1.1K ratings, while Bates' Pocket Guide averages 4.8 from 304 ratings.
Do Merck Manual Professional or Bates' Pocket Guide have ads?
Neither Merck Manual Professional nor Bates' Pocket Guide shows ads.
Which is updated more often, Merck Manual Professional or Bates' Pocket Guide?
Merck Manual Professional ships an update every 4 months, and Bates' Pocket Guide every 11 months. Most recently, Merck Manual Professional was updated on November 6, 2026 and Bates' Pocket Guide on November 9, 2026.

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