Comparison

Lanthier vs The Perinatal Memo

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

The Perinatal Memo

A quick reference guide for healthcare professionals on Canadian perinatal care recommendations and practice guidelines. It covers evidence-based information for pregnant women, childbirth, and newborns.

Highlights
  • Canadian perinatal care guidelines
  • Evidence-based recommendations
  • Covers pregnancy, childbirth, and newborns
  • Quick reference for professionals
  • Designed for family physicians, midwives, nurses
Features
Read full description

Written by practicing family physicians and educators, this quick reference book is intended for family doctors involved in prenatal care or deliveries, as well as midwives, nurses, and other professionals in the field of perinatal care. It is also useful for students and trainees in these disciplines. This application aims to provide a summary of the main evidence-based Canadian recommendations and practice guidelines in the field of perinatal care, including care for pregnant women, childbirth, and newborns. Disclaimer: This document is intended for healthcare professionals and is not designed to provide information to the general population regarding perinatal care. If you are pregnant and experiencing a problem or complication, please consult your healthcare professional. Privacy Policy: https://memoperinatalite.ca/privacy.html Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Lanthier4 screens
The Perinatal Memo4 screens

Verdict

The call

The clearest difference is price: Lanthier at Free against The Perinatal Memo's $39.99. The Perinatal Memo's advantage is review sentiment (100% vs 62%). On update cadence, 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

Lanthier is free to download; The Perinatal Memo costs $39.99 up front. Lanthier sells 2 in-app purchases, starting at $19.49 per year and The Perinatal Memo sells 1 in-app purchase, starting at $19.99 per year. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 10, 2026 and September 22, 2026 respectively.

Scorecard3 real differences · 7 level
Lanthier versus The Perinatal Memo: the parameters behind the verdict, then further details
ParameterLanthierThe Perinatal Memo
PriceFree — better$39.99
Rating3.8 (5 ratings) — better—
Positive reviews61.9% of reviews100.0% of reviews — better
Number of ratings5 — better—
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesYesYes
MonetizationSubscriptionPaid — better
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.015.1 — better
Further details — not scored
Size70 MB112 MB
Age rating17+17+
DeveloperLes Éditions Formed inc.Les Editions Memos S.E.N.C.

Customer experience

Lanthier

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

The Perinatal Memo

Written reviews5 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

Lanthier

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

The Perinatal Memo

Subscriptions1
  • Abonnement au contenu1 Year trial$19.991 Year

Questions

Is Lanthier free?
Lanthier is free to download, with in-app purchases available.
Is The Perinatal Memo free?
The Perinatal Memo costs $39.99, and also offers in-app purchases.
Do Lanthier or The Perinatal Memo have ads?
Neither Lanthier nor The Perinatal Memo shows ads.
Which is updated more often, Lanthier or The Perinatal Memo?
Lanthier ships an update every 2 months, and The Perinatal Memo every 2 months. Most recently, Lanthier was updated on September 10, 2026 and The Perinatal Memo on September 22, 2026.

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