Comparison

Lanthier vs iFetal Pro +2

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

iFetal Pro +2

Track fetal and infant development with detailed information on pregnancy milestones, appointments, and infant care. This app syncs across Apple devices and provides scientifically researched data for parents and medical professionals.

Highlights
  • Fetal and infant development tracking
  • Pregnancy milestone information
  • Appointment and test scheduling
  • Infant growth charts and feeding guides
  • Vaccination and well-child visit schedules
  • Cross-device iCloud synchronization
Features
Read full description

This app works with your iPhone, iPad and Mac (A1 chip and later) logged in with the same Apple ID. Install the app on one of your devices and track the fetal or infant development from any of your devices. Your devices will be automatically updated through iCloud. Very user friendly, just 3 simple steps: STEP 1 (optional): Adjust the number of days in a menstrual period by tapping on "+" or "-" buttons (by default, it is set at 28 days). STEP 2. From calendar (date picker), select the date that corresponds to the method of calculation you are going to choose in Step 3. STEP 3. Tap one of the following calculation methods: - LMP: 1st day of the last menstrual period - CD/IVF: conception date or the date IVF was performed - EGA: established gestational age by previous ultrasound scan or other methods - EDD: estimated delivery date or the estimated due date - DOB: date of birth You will have a comprehensive detailed information about fetal development, fetal measurements, important pregnancy dates, necessary appointments, important tests with correct timeframe for performing them, growth charts for infants, breast feeding information, complementary foods for infants, recommended vaccination schedules, well-child visits, milestones and behaviour of infants and much more. You can simply enter a name and tap "+" to add an image (optional) and your results will be saved to all of your devices. We are medical professionals who have been designing pregnancy and infancy apps for over 10 years. We do not collect any personal information from our apps and we do not sell you any third party's products or services. This app provides accurate scientifically researched and useful information about pregnancy and infancy up to 2 years of age, an excellent handy tool for parents and medical professionals. Privacy Policy: http://www.digitalorientation.com/Privacy_Policy.html Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ IMPORTANT NOTICE All information provided in this app is for educational purposes only. For specific medical advice, diagnoses, and treatment, consult your health care provider.

Screenshots

Lanthier4 screens
iFetal Pro +24 screens

Verdict

The call

The clearest difference is price: Lanthier at Free against iFetal Pro +2's $4.99. Lanthier also leads on ratings volume (5 vs 1). iFetal Pro +2's advantage is rating (5.0 vs 3.8) and in-app purchases (none vs 2). On update cadence, ads, device support and iOS requirement 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; iFetal Pro +2 costs $4.99 up front. Lanthier sells 2 in-app purchases, starting at $19.49 per year. iFetal Pro +2 asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

iFetal Pro +2 holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: Lanthier has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 62% of Lanthier's written reviews are positive against 89% of iFetal Pro +2's.

UpkeepUpdate frequency

Lanthier ships an update every 2 months, iFetal Pro +2 every 6 weeks. The most recent releases landed on October 23, 2026 and October 6, 2026 respectively.

Scorecard6 real differences · 4 level
Lanthier versus iFetal Pro +2: the parameters behind the verdict, then further details
ParameterLanthieriFetal Pro +2
PriceFree — better$4.99
Rating3.8 (5 ratings)5.0 (1 ratings) — better
Positive reviews61.9% of reviews88.9% of reviews — better
Number of ratings5 — better1
Update frequencyEvery 2 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscriptionPaid — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.015.0 — better
Further details — not scored
Size70 MB37 MB
Age rating17+17+
DeveloperLes Éditions Formed inc.Digital Orientation Resolutions Inc.

Customer experience

Lanthier

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

iFetal Pro +2

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews9 reviews
Positive88.9%
Neutral0.0%
Negative11.1%

In-app purchases

2 purchases

Lanthier

Subscriptions2
  • Lanthier - current users3 Months trial$19.491 Year
  • Lanthier - new users7 Days trial$19.491 Year
None

iFetal Pro +2

No in-app purchases

Questions

Is Lanthier free?
Lanthier is free to download, with in-app purchases available.
Is iFetal Pro +2 free?
iFetal Pro +2 costs $4.99, with no in-app purchases.
Which has better reviews, Lanthier or iFetal Pro +2?
iFetal Pro +2 is rated higher. Lanthier averages 3.8 out of 5 from 5 ratings, while iFetal Pro +2 averages 5.0 from 1 ratings.
Do Lanthier or iFetal Pro +2 have ads?
Neither Lanthier nor iFetal Pro +2 shows ads.
Which is updated more often, Lanthier or iFetal Pro +2?
Lanthier ships an update every 2 months, and iFetal Pro +2 every 6 weeks. Most recently, Lanthier was updated on October 23, 2026 and iFetal Pro +2 on October 6, 2026.

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