Comparison

Lanthier vs Canadian ACLS Mastery

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

Head to head
About

Lanthier

Access up-to-date internal medicine information and guidelines quickly and efficiently. This app offers a fast search function, intuitive menus, and direct links to PubMed references. It's designed for physicians, residents, and medical students to use at the bedside.

Highlights
  • Concise bedside information
  • Advanced search function
  • Intuitive menus
  • Direct links to PubMed
  • Personal note-taking
  • Cross-device synchronization
Features
Read full description

“Lanthier” is an internal medicine app based on the seventh edition of the bestselling pocketbook. Completely re-imagined for iOS, this app will allow any physician, resident or medical student to access up-to-date medical information and guidelines quickly and efficiently. Free 7 days trial subscription! “Lanthier Practical Guide to Internal Medicine is a good choice for an app to replace your pocketbook. Beyond providing quality content with references, it has an excellent design that makes it more than just a digitized version of a book. Finding clinically relevant information about a condition is quick and easy.” iMedicalApp.com — FEATURES — • Concise: edited to be useful at the bedside. • Fast: advanced search function, intuitive menus. • Direct link to the references on PubMed and now through Read by QxMD (internet connection required). Build your paper collection using articles selected by Dr Lanthier himself. • MedCalX integration (sold separately): for quick access to the trusted medical calculator. • Take personal notes within the topics and synchronize them across your iOS devices. Perfect for studying for board exams! — TOPICS — Cardiology Dermatology (new) Endocrinology Gastroenterology General Internal Medicine Hematology Infectious Diseases Nephrology Neurology Oncology Pneumology Rheumatology — ABOUT THE LEAD AUTHORS — Dr Luc Lanthier practices General Internal Medicine at the Sherbrooke University Hospital Center and is a Professor of Medicine at the Faculty of Medicine and Health Sciences of the University of Sherbrooke. He is former chair of the French Examination Board for Internal Medicine Exam at the Royal College of Physicians and Surgeons of Canada. Dr Donald Echenberg practices General Internal Medicine at the Sherbrooke University Hospital Center and is an Associate Professor of Medicine at the Faculty of Medicine and Health Sciences of the University of Sherbrooke. He is past president of the Canadian Society of Internal Medicine and is currently Governor of the Quebec Chapter of the American College of Physicians. — DISCLAIMER — This publication (application) is to be used as a guide only. It is intended only for use by licensed medical practitioners and medical students. Every doctor (or prescriber) is responsible for their actions. Therapeutic options presented in this guide reflect current approaches and guidelines in the field of internal medicine. Content has been peer reviewed by leading experts in their respective fields. The authors of Lanthier - Practical Guide to Internal Medicine shall not be liable for any injury and/or damage to persons or property arising from the use of this application. This guide is not meant to replace clinical judgment. It is the responsibility of the licensed prescriber to verify the indications, contraindications and dosage of the medication (and actions) they prescribe. — ABOUT SUBSCRIPTION — Lanthier - Internal Medicine is offered as a subscription service, renewed automatically. Payment will be charged to iTunes Account at confirmation of purchase. The subscription will automatically renew unless auto-renew is turned off at least 24-hours before the end of the current period. The iTunes Account will be charged for renewal within 24-hours prior to the end of the current period. Subscriptions may be managed by the user and auto-renewal may be turned off by going to the application «Settings» section and tapping «Manage Subscriptions» after purchase. For more information on Terms of Use visit https://lanthiermed.com/terms-of-use

About

Canadian ACLS Mastery

Prepare for your Advanced Life Support exam with over 200 practice questions, tutorials, and reference charts. Study key concepts like ECG rhythm identification and pharmacology on-the-go. Created by certified professionals, this app offers efficient learning for medical professionals and students.

Highlights
  • 200+ practice questions
  • ECG rhythm identification
  • Pharmacology study
  • Megacode practice
  • Quick reference charts
  • Core knowledge rationales
Features
Read full description

Ace your ACLS with Canadian ACLS Mastery! Featuring over 200+ practice questions covering ECG rhythm identification, pharmacology, and practical application, Canadian ACLS Mastery gets you score you need to get your ACLS and care for critical patients. Whether you are a paramedic, a nurse, or a med student, you can study on-the-go with tutorials, quick reference charts, core knowledge rationales, and Megacode practice questions and quizzes. Created by experienced ACLS-certified professionals, Canadian ACLS Mastery allows you to study efficiently- anytime- anywhere. Now you can make better use of your downtime and have fun while doing it! Install the free version today and jump start your studying! We have provided a limited free version of the app that you can try before deciding to upgrade. This version includes a limited amount of practice questions and basic progress metrics. Upgrade to the Premium version with a one-time, in-app purchase that includes lifetime access to: • 200+ practice questions with images and detailed explanations • Content based on 2015 Canadian ACLS Provider Manual and AHA Guidelines Updates for CPR and ECC • Access in-depth information on assessment tools and common laboratory tests and learn how to interpret the significance of your findings. • Review step by step instructions for IO insertion, pacing, and cardioversion so you can enhance your ACLS learning stations • Includes our how-to guide to obtaining your ACLS Certification, along with test-taking strategies for the test • In depth statistics display your strengths and weaknesses Categories Include: • ECG rhythms • Pharmacology • The BLS • Primary and Secondary Surveys • Special Circumstances • Post-Arrest Care • Core Algorithms • Dosing algorithm for naloxone Whether you are facing the Megacode testing station for first time or tackling ACLS renewal, ACLS Mastery will prepare you for success. Content is based on current AHA guidelines, best practice standards, and tips from the experts. Let the ACLS Mastery App help you achieve the results you work hard for everyday.

Screenshots

Lanthier4 screens
Canadian ACLS Mastery3 screens

Verdict

The call

The clearest difference is monetization model: Canadian ACLS Mastery at free with in-app purchases against Lanthier's subscription. Canadian ACLS Mastery also leads on review sentiment (83% vs 62%) and update cadence (every 2 weeks vs every 2 months). On price, ratings volume, 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. Lanthier sells 2 in-app purchases, starting at $19.49 per year and Canadian ACLS Mastery sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Canadian ACLS Mastery holds the better App Store score, 4.0 against 3.8. Both are backed by a comparable volume of ratings — 5 and 5 respectively. Written reviews point the same way: 62% of Lanthier's written reviews are positive against 83% of Canadian ACLS Mastery's.

UpkeepUpdate frequency

Lanthier ships an update every 2 months, Canadian ACLS Mastery every 2 weeks. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

Scorecard5 real differences · 5 level
Lanthier versus Canadian ACLS Mastery: the parameters behind the verdict, then further details
ParameterLanthierCanadian ACLS Mastery
PriceFreeFree
Rating3.8 (5 ratings)4.0 (5 ratings) — better
Positive reviews61.9% of reviews83.3% of reviews — better
Number of ratings55
Update frequencyEvery 2 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationSubscriptionFree with in-app purchases — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.010.0 — better
Further details — not scored
Size70 MB166 MB
Age rating17+12+
DeveloperLes Éditions Formed inc.Higher Learning Technologies

Customer experience

Lanthier

All ratings5 ratings
Positive80.0%
Neutral0.0%
Negative20.0%
Written reviews21 reviews
Positive61.9%
Neutral9.5%
Negative28.6%

Canadian ACLS Mastery

All ratings5 ratings
Positive80.0%
Neutral0.0%
Negative20.0%
Written reviews6 reviews
Positive83.3%
Neutral0.0%
Negative16.7%

In-app purchases

2 purchases

Lanthier

Subscriptions2
  • Lanthier - current users3 Months trial$19.491 Year
  • Lanthier - new users7 Days trial$19.491 Year
3 purchases

Canadian ACLS Mastery

One-time3
  • Canadian ACLS Std to Premium$9.99
  • Canadian ACLS Mastery Standard$19.99
  • Canadian ACLS Mastery Premium$29.99

Questions

Is Lanthier free?
Lanthier is free to download, with in-app purchases available.
Is Canadian ACLS Mastery free?
Canadian ACLS Mastery is free to download, with in-app purchases available.
Which has better reviews, Lanthier or Canadian ACLS Mastery?
Canadian ACLS Mastery is rated higher. Lanthier averages 3.8 out of 5 from 5 ratings, while Canadian ACLS Mastery averages 4.0 from 5 ratings.
Do Lanthier or Canadian ACLS Mastery have ads?
Neither Lanthier nor Canadian ACLS Mastery shows ads.
Which is updated more often, Lanthier or Canadian ACLS Mastery?
Lanthier ships an update every 2 months, and Canadian ACLS Mastery every 2 weeks. Most recently, Lanthier was updated on October 29, 2026 and Canadian ACLS Mastery on October 24, 2026.

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