Comparison

EchoRef vs CardioSmart360

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

Head to head
About

EchoRef

This educational reference app provides comprehensive information on point-of-care ultrasound (POCUS), echocardiography, and cardiac measurements. It includes lessons on interventional procedures and hemodynamic calculations for medical professionals.

Highlights
  • Point-of-care ultrasound (POCUS)
  • Transthoracic echocardiography (TTE)
  • Transesophageal echocardiography (TEE)
  • Cardiac dimensions and valve measurements
  • Hemodynamic and ultrasound calculations
  • Interventional procedure lessons
Features
Read full description

Echocardiography and point-of-care ultrasound organized for the bedside. EchoRef is a comprehensive echocardiography and ultrasound reference for physicians, nurses, advanced practice clinicians, sonographers, medical students, and other healthcare learners. Review TEE, TTE, and POCUS videos, check cardiac measurements and diagnostic criteria, evaluate native and prosthetic valves, and perform commonly used ultrasound and hemodynamic calculations, all in one focused reference. FEATURES • Educational video library covering 2D and 3D TEE, interventional echocardiography, mechanical circulatory support, and clinical cases • POCUS instruction for cardiac, lung, abdominal, vascular, and peripheral nerve block examinations • Cardiac anatomy measurements and reference values for chamber size, ventricular function, diastology, and vascular structures • Native valve assessment for aortic, mitral, tricuspid, and pulmonic stenosis and regurgitation • Prosthetic valve reference for surgical valves, TAVR, and prosthesis evaluation • Ultrasound and hemodynamic calculators for valve area, cardiac output, ventricular function, filling pressures, vascular resistance, shunts, fluid responsiveness, and more • Cardiac equations, hemodynamic reference values, and ultrasound physics • Clinical protocols, focused examination guidance, findings atlas, and reporting documentation • Acquisition guidance, measurement tips, common pitfalls, and related clinical content • Global search, favorites, related links, and personal notes EchoRef connects ultrasound physics, image acquisition, echocardiographic interpretation, and bedside decision-making. Whether you are learning standard views, reviewing an unfamiliar finding, evaluating valve disease, or checking a calculation, the app makes relevant information easy to find. Created by Rishi Kumar, MD, FACC (“RK.MD”), an academic adult cardiothoracic anesthesiologist and cardiovascular ICU intensivist committed to free, open-access medical education. Learn more at https://rk.md EchoRef is intended for educational and informational purposes only. It does not provide medical advice and is not a substitute for professional judgment, diagnosis, or treatment. Clinical findings and calculations must be independently verified and interpreted in the context of the individual patient. Seek guidance from a qualified healthcare professional regarding any medical condition. Do not disregard or delay professional medical advice because of information provided by this app.

About

CardioSmart360

This app provides clinicians and patients with interactive 3D visuals, animations, and custom drawing tools to explain complex cardiovascular conditions and treatments. It aims to enhance point-of-care conversations about heart health.

Highlights
  • 3D heart anatomy visuals
  • Interactive condition animations
  • Custom drawing and annotation tools
  • Searchable video library
  • Pinch-to-zoom functionality
  • Point-of-care conversation support
Features
Read full description

Easily explain complex cardiovascular conditions and treatments using the CardioSmart360 app! The app from the American College of Cardiology is designed to support conversations between clinicians and patients at the point of care. What’s New in Version 1.2 - New HCM content: Added animations and illustrations to help explain hypertrophic cardiomyopathy (HCM), including obstructive HCM. - Improved organization: Updated content names to make topics easier to find. Explore Key Features: - Conditions & Treatments: Access videos, including interactive animations, to support conversations about common heart conditions and treatment options. - Heart Anatomy: View detailed, 3-D cardiac visuals to help patients better understand how the heart functions. - Draw & Annotate: Create custom drawings and annotations for personalized education about topics such as heart attack, heart failure, heart valve disease, atrial fibrillation, and ventricular fibrillation. - Search: Quickly find specific videos and tools. Whether you're a clinician looking for a quick reference or a patient learning about heart health, the new CardioSmart360 app puts trusted cardiovascular resources at your fingertips. Download today! Disclaimer: THIS APP IS FOR EVALUATION ONLY AND SHOULD NOT BE USED FOR CLINICAL PURPOSES. ALL SUPPORT IS PROVIDED ON AN AS-IS, AS-AVAILABLE BASIS.

Screenshots

EchoRef4 screens
CardioSmart3604 screens

Verdict

The call

The clearest difference is review sentiment: EchoRef at 100% against CardioSmart360's 0%. EchoRef also leads on rating (4.9 vs 4.0) and ratings volume (1.4K vs 4). CardioSmart360's advantage is iOS requirement (15.0 vs 26.0). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

EchoRef holds the better App Store score, 4.9 against 4.0. That said, the two scores are not equally well evidenced: EchoRef has 1.4K ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 100% of EchoRef's written reviews are positive against 0% of CardioSmart360's.

UpkeepUpdate frequency

EchoRef ships an update every 2 months, CardioSmart360 every 9 months. The most recent releases landed on October 25, 2026 and October 17, 2026 respectively.

Scorecard5 real differences · 5 level
EchoRef versus CardioSmart360: the parameters behind the verdict, then further details
ParameterEchoRefCardioSmart360
PriceFreeFree
Rating4.9 (1.4K ratings) — better4.0 (4 ratings)
Positive reviews100.0% of reviews — better0.0% of reviews
Number of ratings1.4K — better4
Update frequencyEvery 2 months — betterEvery 9 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS26.015.0 — better
Further details — not scored
Size104 MB27 MB
Age rating17+17+
DeveloperRishi KumarAmerican College of Cardiology

Customer experience

EchoRef

All ratings1,387 ratings
Positive97.2%
Neutral1.4%
Negative1.4%
Written reviews12 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

CardioSmart360

All ratings4 ratings
Positive75.0%
Neutral0.0%
Negative25.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

EchoRef

No in-app purchases

None

CardioSmart360

No in-app purchases

Questions

Is EchoRef free?
EchoRef is free to download, with no in-app purchases.
Is CardioSmart360 free?
CardioSmart360 is free to download, with no in-app purchases.
Which has better reviews, EchoRef or CardioSmart360?
EchoRef is rated higher. EchoRef averages 4.9 out of 5 from 1.4K ratings, while CardioSmart360 averages 4.0 from 4 ratings.
Do EchoRef or CardioSmart360 have ads?
Neither EchoRef nor CardioSmart360 shows ads.
Which is updated more often, EchoRef or CardioSmart360?
EchoRef ships an update every 2 months, and CardioSmart360 every 9 months. Most recently, EchoRef was updated on October 25, 2026 and CardioSmart360 on October 17, 2026.

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