Comparison

CHADS 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

CHADS

This medical app offers healthcare professionals a user-friendly tool to quickly assess patient stroke risk using the CHA2DS2-VASc scale. It features a wizard format for easy data input, automatic score generation, and patient result management.

Highlights
  • CHA2DS2-VASc assessment
  • Wizard format for patient data
  • Automatic score generation
  • Patient results management
  • Email generation of results
  • PIN protection
Features
Read full description

Doctot CHADS-VASc provides Health Care Professionals with the well renowned CHA2DS2-VASc Assessment in Mobile App form. This premium quality App, which can be downloaded for FREE on iTunes, is a highly efficient, user-friendly tool that rapidly assesses patients for stroke risk. This assessment scale is presented in a wizard format to enable the user to record a patient's status by quickly navigating through the interview components in a hassle-free manner. The tool automatically generates the scale total and categorises the score, based on the user's input. It also has an "Information" section to provide the user with background details, as well as a “Help” section to assist with the use of the tool. Furthermore, functionality is included for: - a Patient Results Management System (e.g. Save, Delete & Sort options) - the Automatic Email Generation of each patient assessment result - Shake-to-Reset Scale functionality - Stopwatch functionality where it is required to time patient-related activities - PIN Protection for security purposes

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

CHADS4 screens
Littmann Learning4 screens

Verdict

The call

The clearest difference is review sentiment: Littmann Learning at 48% against CHADS's 0%. Littmann Learning also leads on rating (4.9 vs 1.0) and ratings volume (850 vs 2). CHADS's advantage is in-app purchases (none vs 11) and iOS requirement (6.0 vs 15.6). On price, ads 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

Both are free to download. Littmann Learning sells 11 in-app purchases, starting at $3.99 per month. CHADS asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Littmann Learning holds the better App Store score, 4.9 against 1.0. That said, the two scores are not equally well evidenced: Littmann Learning has 850 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 0% of CHADS's written reviews are positive against 48% of Littmann Learning's.

UpkeepUpdate frequency

CHADS ships an update every 3 months, Littmann Learning every 6 weeks. Both last shipped on October 16, 2026.

Scorecard7 real differences · 3 level
CHADS versus Littmann Learning: the parameters behind the verdict, then further details
ParameterCHADSLittmann Learning
PriceFreeFree
Rating1.0 (2 ratings)4.9 (850 ratings) — better
Positive reviews0.0% of reviews47.6% of reviews — better
Number of ratings2850 — better
Update frequencyEvery 3 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS6.0 — better15.6
Further details — not scored
Size12 MB19 MB
Age rating4+17+
DeveloperDOCTOTCSD Labs

Customer experience

CHADS

All ratings2 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Littmann Learning

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

In-app purchases

None

CHADS

No in-app purchases

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 CHADS free?
CHADS is free to download, with no in-app purchases.
Is Littmann Learning free?
Littmann Learning is free to download, with in-app purchases available.
Which has better reviews, CHADS or Littmann Learning?
Littmann Learning is rated higher. CHADS averages 1.0 out of 5 from 2 ratings, while Littmann Learning averages 4.9 from 850 ratings.
Do CHADS or Littmann Learning have ads?
Neither CHADS nor Littmann Learning shows ads.
Which is updated more often, CHADS or Littmann Learning?
CHADS ships an update every 3 months, and Littmann Learning every 6 weeks. Most recently, CHADS was updated on October 16, 2026 and Littmann Learning on October 16, 2026.

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