Comparison

Merck Manual Professional vs Antimicrobial 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

Antimicrobial Guide

This app assists healthcare professionals in choosing the right antimicrobial treatments for patients. It displays recommended drug regimens based on local guidelines after a database is loaded. It's a convenient tool for distributing treatment guidelines.

Highlights
  • Select infection of interest
  • Display recommended drug regimens
  • Utilize local healthcare institution guidelines
  • Distribute empiric antimicrobial treatment guidelines
  • Convenient clinician tool
Features
Read full description

The Antimicrobial Guide helps healthcare professionals select the appropriate antimicrobial treatment for their patients based on local guidelines and recommendations. Once a database is loaded into the Antimicrobial Guide, clinicians can simply select the infection of interest and the app will display the drug regimen that is recommended by their local healthcare institution and/or antimicrobial stewardship program. For antimicrobial stewardship programs, the Antimicrobial Guide is a powerful way to distribute empiric antimicrobial treatment guidelines in a format that is both easy and convenient for clinicians to use.

Screenshots

Merck Manual Professional4 screens
Antimicrobial Guide4 screens

Verdict

The call

The clearest difference is update cadence: Antimicrobial Guide at every 3 weeks against Merck Manual Professional's every 4 months. Antimicrobial Guide also leads on rating (5.0 vs 4.8) and iOS requirement (7.0 vs 13.0). Merck Manual Professional's advantage is ratings volume (1.1K vs 2). On price, ads, in-app purchases and monetization model 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

Antimicrobial Guide holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Merck Manual Professional has 1.1K ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

Merck Manual Professional ships an update every 4 months, Antimicrobial Guide every 3 weeks. The most recent releases landed on November 1, 2026 and October 29, 2026 respectively.

Scorecard4 real differences · 6 level
Merck Manual Professional versus Antimicrobial Guide: the parameters behind the verdict, then further details
ParameterMerck Manual ProfessionalAntimicrobial Guide
PriceFreeFree
Rating4.8 (1.1K ratings)5.0 (2 ratings) — better
Positive reviews91.7% of reviews—
Number of ratings1.1K — better2
Update frequencyEvery 4 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.07.0 — better
Further details — not scored
Size196 MB1 MB
Age rating17+17+
DeveloperMerck & Co IncPortable Databases

Customer experience

Merck Manual Professional

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

Antimicrobial Guide

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

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

Antimicrobial Guide

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Merck Manual Professional

No in-app purchases

None

Antimicrobial Guide

No in-app purchases

Questions

Is Merck Manual Professional free?
Merck Manual Professional is free to download, with no in-app purchases.
Is Antimicrobial Guide free?
Antimicrobial Guide is free to download, with no in-app purchases.
Which has better reviews, Merck Manual Professional or Antimicrobial Guide?
Antimicrobial Guide is rated higher. Merck Manual Professional averages 4.8 out of 5 from 1.1K ratings, while Antimicrobial Guide averages 5.0 from 2 ratings.
Do Merck Manual Professional or Antimicrobial Guide have ads?
Neither Merck Manual Professional nor Antimicrobial Guide shows ads.
Which is updated more often, Merck Manual Professional or Antimicrobial Guide?
Merck Manual Professional ships an update every 4 months, and Antimicrobial Guide every 3 weeks. Most recently, Merck Manual Professional was updated on November 1, 2026 and Antimicrobial Guide on October 29, 2026.

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