Comparison

Sanford Guide Antimicrobial vs Littmann Learning

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

Head to head
About

Sanford Guide Antimicrobial

Provides clinicians with concise, evidence-based treatment guidance for infectious diseases. Features interactive tools like spectra charts, drug interaction checkers, and dosing calculators to support rapid decision-making in fast-paced medical settings.

Highlights
  • Clinically actionable answers
  • Institutionally diverse editorial team
  • Constant updates
  • Interactive antibacterial spectra chart
  • Drug-drug interaction checker
  • Trustworthy dosing calculators
Features
Currently charting
Read full description

Clinically Actionable, Concise Answers Get exactly what you need to make the best decision in a fast-paced setting. Institutionally Diverse Editorial Team by Design Not every organization has the same patient population, budget, or processes. We bring perspectives from many medical institutions. Constant Updates New recommendations are added quickly by our nine-member editorial team. ‘Why Didn’t I Think of That’ Tools An interactive antibacterial spectra chart, drug-drug interactions, and trustworthy calculators to define accurate dosing. Praise from Providers “Indispensable—If you're going to prescribe you must have a way to remain current.” “One of the most helpful tools in medicine!” “I use this app every day I work” Who Needs This App Since 1969, Sanford Guide has been the leading clinical treatment guide for infectious diseases. Popular with physicians, pharmacists, physician assistants, nurse practitioners, and other clinicians, Sanford Guide provides convenient, concise, and reliable medical information. Coverage includes clinical syndromes (organized by anatomic system/site of infection), pathogens (bacterial, fungal, mycobacterial, parasitic and viral), anti-infective agents (dosing, adverse effects, activity, pharmacology, interactions), expanded HIV/AIDS and Hepatitis information, specialized dosing tables and tools, calculators, and preventative therapy, all evidence-based and extensively referenced. Sanford Guide Antimicrobial Therapy is currently written in the English language. Auto-renewing subscriptions: -An in-app subscription is $39.99 for one year. (Subscription price varies by country) -Payment will be charged to your Apple ID at confirmation of purchase. -Subscriptions automatically renew unless auto-renew is turned off at least 24-hours before the end of the current subscription period. -Your Apple ID will be charged for renewal within 24-hours prior to the end of the current subscription period. -Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user’s Account Settings after purchase. -No cancellation of a current subscription is allowed during the active subscription period. -Subscriptions are subject to our Terms of Use, which are available at: https://www.sanfordguide.com/about/legal/terms-of-use/. -Our privacy policy can be viewed at: https://www.sanfordguide.com/about/legal/privacy-policy/ Disclaimer: The “Sanford Guide Antimicrobial Therapy” app is intended for use by health care professionals and trainees only, and not by the general public. Every effort is made to ensure the accuracy of the content of this app. However, current full prescribing information available in the package insert for each drug should be consulted before prescribing any product. The editors and publisher are not responsible for errors or omissions or for any consequences from application of our print and digital content, and make no warranty, express or implied, with respect to the currency, accuracy, or completeness of the contents of this publication. The information in this app is not a substitute for professional medical advice, diagnosis, or treatment. Application of this information in a particular situation remains solely the professional responsibility of the health care provider.

About

Littmann Learning

This app provides access to real patient heart and lung sounds for auscultation education. It offers visual and audio displays, self-paced learning modules, and background reading material to help users recognize various heart and lung sounds.

Highlights
  • Real patient heart and lung sounds
  • Visual and audio displays
  • Self-paced learning modules
  • Graduated learning difficulty
  • Background reading material
Features
Read full description

Littmann® Learning, powered by eMurmur®, is a mobile app for cardiac and pulmonary auscultation education. Built for students, educators, and clinicians, it gives you access to real patient heart sounds, lung sounds, and guided learning modules – available anytime, anywhere. Train your ear and strengthen your stethoscope skills with a rich library of high-fidelity recordings and interactive lessons designed to improve stethoscope auscultation and clinical listening confidence. Whether you are learning the basics or refining advanced listening skills, Littmann Learning helps you recognize and distinguish normal, benign, and pathological heart and lung sounds. Compare healthy and abnormal findings, reinforce pattern recognition, and build confidence for the classroom, simulation lab, and clinical practice. Build confidence with heart and lung sound recognition. Learn cardiac and pulmonary auscultation with Littmann Learning. Littmann Learning includes a library of curated heart and lung sounds, including: * A range of normal heart sounds * Abnormal heart sounds, including systolic, diastolic, and continuous murmurs * Key pathologies like aortic stenosis, aortic insufficiency, mitral insufficiency, mitral stenosis, hypertrophic cardiomyopathy, ventricular septal defect, atrial septal defect, patent ductus arteriosus, or tetralogy of Fallot * Additional sounds such as clicks, splits, S3/S4, PAC/PVC * A range of normal lung sound recordings * Abnormal lung sounds, including crackles, wheezes, and rhonchi Learn by listening and by seeing. Visual tools such as phonocardiograms and sound displays help connect what you hear through the stethoscope with the underlying acoustic patterns, making it easier to identify important cardiac and pulmonary findings. Littmann Learning is designed for anyone learning heart and lung auscultation, including: nursing students, medical students, interns, residents, fellows, physicians, nurses, PAs, or EMTs. DISCLAIMER: THIS APP DOES NOT PROVIDE MEDICAL ADVICE OR IS AN ATTEMPT TO PRACTICE MEDICINE. The information including but not limited to, text, graphics, images and other material contained on this app are for informational purposes only. No material on this app is intended to be a substitute for professional medical education, advice, diagnosis or treatment. –- Available in-app purchases Subscription titles, content and length: * Basic Monthly — Access to Listening modules for 1 month. * Semester Pass — Full access for 6 months. * Annual Pass — Full access for 12 months. Payment will be charged to iTunes Account at confirmation of purchase. Type of subscriptions: Auto-renewable. Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Account will be charged for renewal within 24-hours prior to the end of the current period; the cost for renewal is the same as the initial charge. Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user’s Account Settings after purchase. ---- Privacy Policy: https://www.solventum.com/en-us/home/legal/website-privacy-statement/ Terms of Use: https://info.littmann-learning.com/legal/learning/en/tou_littmann_learning.html

Screenshots

Sanford Guide Antimicrobial4 screens
Littmann Learning4 screens

Verdict

The call

Sanford Guide Antimicrobial and Littmann Learning both sit at 4.8 stars, but that hides the real split: 88% of Sanford Guide Antimicrobial's written reviews are positive against 48% of Littmann Learning's. Sanford Guide Antimicrobial also leads on update cadence (every 2 weeks vs every 6 weeks) and chart position (#6 vs unranked). Littmann Learning's advantage is monetization model (free with in-app purchases vs subscription). On price, rating, ratings volume and ads 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. Sanford Guide Antimicrobial sells 3 in-app purchases, starting at $4.99 per year and Littmann Learning sells 11 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for Sanford Guide Antimicrobial against 4.9 for Littmann Learning. Both are backed by a comparable volume of ratings — 1.9K and 856 respectively. Written reviews are what separate them: 88% of Sanford Guide Antimicrobial's written reviews are positive against 48% of Littmann Learning's.

UpkeepUpdate frequency

Sanford Guide Antimicrobial ships an update every 2 weeks, Littmann Learning every 6 weeks. The most recent releases landed on November 1, 2026 and October 29, 2026 respectively.

Scorecard4 real differences · 7 level
Sanford Guide Antimicrobial versus Littmann Learning: the parameters behind the verdict, then further details
ParameterSanford Guide AntimicrobialLittmann Learning
PriceFreeFree
Rating4.8 (1.9K ratings)4.9 (856 ratings) — better
Positive reviews88.4% of reviews — better47.6% of reviews
Number of ratings1.9K — better856
Update frequencyEvery 2 weeks — betterEvery 6 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationSubscriptionFree with in-app purchases — better
Best chart rank#6 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.6
Further details — not scored
Size46 MB19 MB
Age rating17+17+
DeveloperAntimicrobial Therapy, Inc.CSD Labs

Customer experience

Sanford Guide Antimicrobial

All ratings1,881 ratings
Positive94.9%
Neutral1.3%
Negative3.8%
Written reviews448 reviews
Positive88.4%
Neutral2.9%
Negative8.7%

Littmann Learning

All ratings850 ratings
Positive97.9%
Neutral1.1%
Negative1.1%
Written reviews21 reviews
Positive47.6%
Neutral14.3%
Negative38.1%

Bugs and requests

Sanford Guide Antimicrobial

Reported bugs

3 issues
  • App freezing or closing unexpectedly
  • Login and subscription verification problems
  • Corrupted passwords and inability to reset

Requested features

3 requests
  • Side-by-side antibiotic susceptibility comparison
  • Offline access to content
  • Improved navigation and UI

Littmann Learning

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

Sanford Guide Antimicrobial

Subscriptions3
  • U.S. Vaccine Guidelines7 Days trial$4.991 Year
  • Sanford Guide7 Days trial$39.991 Year
  • Sanford Guide All Access7 Days trial$79.991 Year
11 purchases

Littmann Learning

Subscriptions8
  • Standard Plan - 1 month$3.991 Month
  • Premium Plan - 1 month$6.991 Month
  • Basic Monthly$8.991 Month
Show 5 more
  • Standard Plan - 1 year$19.991 Year
  • Semester Pass$29.996 Months
  • Premium Plan - 1 year$39.991 Year
  • Full Version$44.991 Year
  • Annual Pass$49.991 Year
One-time3
  • CE - Fundamentals$124.99
  • CE -Advanced$174.99
  • CE - Intermediate$249.99

Questions

Is Sanford Guide Antimicrobial free?
Sanford Guide Antimicrobial is free to download, with in-app purchases available.
Is Littmann Learning free?
Littmann Learning is free to download, with in-app purchases available.
Which has better reviews, Sanford Guide Antimicrobial or Littmann Learning?
Littmann Learning is rated higher. Sanford Guide Antimicrobial averages 4.8 out of 5 from 1.9K ratings, while Littmann Learning averages 4.9 from 856 ratings.
Do Sanford Guide Antimicrobial or Littmann Learning have ads?
Neither Sanford Guide Antimicrobial nor Littmann Learning shows ads.
Which is updated more often, Sanford Guide Antimicrobial or Littmann Learning?
Sanford Guide Antimicrobial ships an update every 2 weeks, and Littmann Learning every 6 weeks. Most recently, Sanford Guide Antimicrobial was updated on November 1, 2026 and Littmann Learning on October 29, 2026.

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