Comparison

EchoRef vs EchoGuide by ASE

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

EchoGuide by ASE

This medical app offers over 50 calculators, algorithms, and charts based on key guidelines for cardiac care professionals. It allows users to favorite interactive tools for quick access to a wide range of echocardiography measurements and assessments.

Highlights
  • Over 50 calculators, algorithms, and charts
  • Based on ASE guidelines
  • Favorite interactive tools
  • Cardiac care reference
  • Echocardiography measurements
Features
Read full description

ASE’s EchoGuide provides access to over 50 calculators, algorithms, and charts. EchoGuide was developed based on key ASE guidelines for use by healthcare professionals providing cardiac care. One special feature in the app is that users have the ability to select their favorite interactive tools for easy access. Topics include: • Left Ventricle • Left Ventricle Mass • Left Ventricular Diastolic Function • Right Ventricle • Left Atrium • Right Atrium Dimensions & Volumes • Aorta • Aortic Regurgitation • Aortic Stenosis • Mitral Regurgitation • Mitral Stenosis • Tricuspid Regurgitation • Tricuspid Stenosis • Pulmonic Regurgitation • Pulmonic Stenosis • Prosthetic Aortic Valve Function • Prosthetic Mitral Valve Function • Prosthetic Tricuspid Valve Function • Prosthetic Pulmonic Valve Function • Prosthetic Valve Regurgitation EchoGuide is intended for educational/informational use only. EchoGuide is not intended for use in the diagnosis of disease or other conditions, or in the cure, mitigation, treatment, or prevention of disease by aiding clinical decision-making. Please send feedback through the App information page and feel free to leave a review and rating in the App Store.

Screenshots

EchoRef4 screens
EchoGuide by ASE4 screens

Verdict

The call

EchoRef and EchoGuide by ASE both sit at 4.9 stars, but that hides the real split: 100% of EchoRef's written reviews are positive against 75% of EchoGuide by ASE's. EchoRef also leads on ratings volume (1.4K vs 41). EchoGuide by ASE's advantage is update cadence (monthly vs every 2 months) and iOS requirement (14.2 vs 26.0). On price, rating, ads and in-app purchases 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 4.7. That said, the two scores are not equally well evidenced: EchoRef has 1.4K ratings behind it against 41, 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 75% of EchoGuide by ASE's.

UpkeepUpdate frequency

EchoRef ships an update every 2 months, EchoGuide by ASE monthly. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

Scorecard4 real differences · 6 level
EchoRef versus EchoGuide by ASE: the parameters behind the verdict, then further details
ParameterEchoRefEchoGuide by ASE
PriceFreeFree
Rating4.9 (1.4K ratings) — better4.7 (41 ratings)
Positive reviews100.0% of reviews — better75.0% of reviews
Number of ratings1.4K — better41
Update frequencyEvery 2 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS26.014.2 — better
Further details — not scored
Size104 MB96 MB
Age rating17+12+
DeveloperRishi KumarAmerican Society of Echocardiography

Customer experience

EchoRef

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

EchoGuide by ASE

All ratings41 ratings
Positive90.2%
Neutral4.9%
Negative4.9%
Written reviews4 reviews
Positive75.0%
Neutral25.0%
Negative0.0%

In-app purchases

None

EchoRef

No in-app purchases

None

EchoGuide by ASE

No in-app purchases

Questions

Is EchoRef free?
EchoRef is free to download, with no in-app purchases.
Is EchoGuide by ASE free?
EchoGuide by ASE is free to download, with no in-app purchases.
Which has better reviews, EchoRef or EchoGuide by ASE?
EchoRef is rated higher. EchoRef averages 4.9 out of 5 from 1.4K ratings, while EchoGuide by ASE averages 4.7 from 41 ratings.
Do EchoRef or EchoGuide by ASE have ads?
Neither EchoRef nor EchoGuide by ASE shows ads.
Which is updated more often, EchoRef or EchoGuide by ASE?
EchoRef ships an update every 2 months, and EchoGuide by ASE monthly. Most recently, EchoRef was updated on November 2, 2026 and EchoGuide by ASE on November 3, 2026.

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