Comparison

Harrison's Board Review, 20/E vs ACLS CodePilot

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

Head to head
About

Harrison's Board Review, 20/E

Features
Read full description

The book that serves as the basis for the popular “Harrison’s Podclass” podcast series! This outstanding collection of internal medicine Q&A is perfect for prepping for board or shelf exams, getting in multiple “reps” of self directed learning, and increasing your understanding of clinical reasoning. It’s packed with 1,000+ high-quality clinical vignettes, with expert, on-point explanations for correct and incorrect answers. Harrison’s Principles of Internal Medicine Self-Assessment and Board Review reflects all the specialties of internal medicine, and has been exhaustively revised and updated to reflect hundreds of never-before published Q&A in board-style format. This great resource will bolster your understanding of pathophysiology, epidemiology, differential diagnosis, clinical decision making, and therapeutics. Illustrations, radiographs, and pathology slides are included throughout. Each question is accompanied by a complete answer and explanation, and cross-referenced to Harrison’s Principles of Internal Medicine for deeper-dive understanding. Features: • 325 full-color photos and illustrations • Clinical vignettes and Q&A presented in board-style format • Content consistent with board exam blueprint in internal medicine • Aligned with Harrison’s Principles of Internal Medicine, the global authority in medicine •Explanations for correct and incorrect answer choices This app is very intuitive and easy to navigate, allowing you to browse the contents or search for topics. The powerful search tool gives you word suggestions that appear in the text as you type, so it is lightning fast and helps with spelling those long medical terms. The search tool also keeps a recent history of past search terms so you can go back to a previous search result very easily. You have the ability to create notes and bookmarks separately for questions to enhance your learning. You can also change the text size for easier reading. After the app has been downloaded, no internet connection is needed to retrieve the content of the app. All of the text and images are available to you on your device anytime, anywhere, and lightning fast. This app is also automatically optimized for whatever size device you are currently using, either phone or tablet. This interactive app contains the full content of Harrison's Principles of Internal Medicine Self-Assessment and Board Review, 20th Edition by McGraw-Hill Education. ISBN-13: 978-1259642883 ISBN-10: 1259642887 Editors: Charles M. Wiener, MD Catherine H. Marshall, MD Laura C. Cappelli, MD, MHS Brian Houston, MD Brian T. Garibaldi, MD, MEHP Sara C. Keller, MD, MPH, MSHP Disclaimer: This app is intended for the education of healthcare professionals and not as a diagnostic and treatment reference for the general population. Developed by Usatine Media Richard P. Usatine, MD, Co-President, Professor of Family & Community Medicine, Professor of Dermatology and Cutaneous Surgery, University of Texas Health San Antonio

About

ACLS CodePilot

This medical app provides clear, step-by-step guidance for Advanced Cardiovascular Life Support (ACLS) scenarios. Developed by physicians, it's designed to be an intuitive and reliable resource for healthcare professionals during high-stakes situations.

Highlights
  • Step-by-step ACLS guidance
  • Intuitive and reliable interface
  • Developed by physicians
  • Supports students and experienced clinicians
  • Useful for simulations and real-world resuscitation
Features
Currently charting
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Built for those who learn, train, and respond in high-stakes moments, ACLS CodePilot® supports students, trainees, nurses, paramedics, and experienced clinicians alike. Whether you are preparing for your first simulation or managing a real-world resuscitation, CodePilot grows with you and delivers clear, step-by-step ACLS guidance exactly when you need it. Developed by physicians, CodePilot makes Advanced Cardiovascular Life Support accessible, intuitive, and reliable. In the stress of a code, it serves as your calm, organized co-pilot—helping you stay steady, focused, and on course. ACLS CodePilot® is independently developed by Tabeon LLC and is not affiliated with, endorsed by, or sponsored by any external organizations.

Screenshots

Harrison's Board Review, 20/E4 screens
ACLS CodePilot4 screens

Verdict

The call

The clearest difference is price: ACLS CodePilot at $3.99 against Harrison's Board Review, 20/E's $84.99. ACLS CodePilot also leads on update cadence (every 10 days vs every 33 months) and chart position (#131 vs unranked). Harrison's Board Review, 20/E's advantage is iOS requirement (10.0 vs 18.1). On ads, in-app purchases 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

Harrison's Board Review, 20/E costs $84.99 and ACLS CodePilot $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Harrison's Board Review, 20/E ships an update every 33 months, ACLS CodePilot every 10 days. Both last shipped on October 30, 2026.

Scorecard4 real differences · 7 level
Harrison's Board Review, 20/E versus ACLS CodePilot: the parameters behind the verdict, then further details
ParameterHarrison's Board Review, 20/EACLS CodePilot
Price$84.99$3.99 — better
Rating—5.0 (9 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—9 — better
Update frequencyEvery 33 monthsEvery 10 days — better
AdsNoNo
In-app purchasesNoNo
Monetization—Paid
Best chart rank—#131 — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS10.0 — better18.1
Further details — not scored
Size129 MB4 MB
Age rating17+17+
DeveloperUsatine & Erickson Media LLCTabeon LLC

In-app purchases

None

Harrison's Board Review, 20/E

No in-app purchases

None

ACLS CodePilot

No in-app purchases

Questions

Is Harrison's Board Review, 20/E free?
Harrison's Board Review, 20/E costs $84.99, with no in-app purchases.
Is ACLS CodePilot free?
ACLS CodePilot costs $3.99, with no in-app purchases.
Do Harrison's Board Review, 20/E or ACLS CodePilot have ads?
Neither Harrison's Board Review, 20/E nor ACLS CodePilot shows ads.
Which is updated more often, Harrison's Board Review, 20/E or ACLS CodePilot?
Harrison's Board Review, 20/E ships an update every 33 months, and ACLS CodePilot every 10 days. Most recently, Harrison's Board Review, 20/E was updated on October 30, 2026 and ACLS CodePilot on October 30, 2026.

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