Comparison

EchoRef vs POCUS 101

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

POCUS 101

Access all Point of Care Ultrasound courses and download completed certificates. Facilitates direct messaging between learners and group leaders, with progress tracking for group management.

Highlights
  • Access Point of Care Ultrasound courses
  • Download completed certificates
  • Direct messaging for groups
  • Manage learner progress
  • Group subscription features
Features
Read full description

Easily access all Point of Care Ultrasound Courses from POCUS 101. Download all completed certificates from the App. For group subscriptions, learners and group leaders can message each other directly from this App. Group leaders can also see and manage their learners progress with this App.

Screenshots

EchoRef4 screens
POCUS 1014 screens

Verdict

The call

The clearest difference is ratings volume: EchoRef at 1.4K against POCUS 101's 11. EchoRef also leads on update cadence (every 2 months vs every 4 months). POCUS 101's advantage is iOS requirement (11.0 vs 26.0). On price, rating, review sentiment 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for EchoRef against 5.0 for POCUS 101. That said, the two scores are not equally well evidenced: EchoRef has 1.4K ratings behind it against 11, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

EchoRef ships an update every 2 months, POCUS 101 every 4 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

Scorecard3 real differences · 7 level
EchoRef versus POCUS 101: the parameters behind the verdict, then further details
ParameterEchoRefPOCUS 101
PriceFreeFree
Rating4.9 (1.4K ratings)5.0 (11 ratings) — better
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings1.4K — better11
Update frequencyEvery 2 months — betterEvery 4 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS26.011.0 — better
Further details — not scored
Size104 MB57 MB
Age rating17+17+
DeveloperRishi KumarPOCUS 101

Customer experience

EchoRef

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

POCUS 101

All ratings11 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

EchoRef

No in-app purchases

None

POCUS 101

No in-app purchases

Questions

Is EchoRef free?
EchoRef is free to download, with no in-app purchases.
Is POCUS 101 free?
POCUS 101 is free to download, with no in-app purchases.
Which has better reviews, EchoRef or POCUS 101?
POCUS 101 is rated higher. EchoRef averages 4.9 out of 5 from 1.4K ratings, while POCUS 101 averages 5.0 from 11 ratings.
Do EchoRef or POCUS 101 have ads?
Neither EchoRef nor POCUS 101 shows ads.
Which is updated more often, EchoRef or POCUS 101?
EchoRef ships an update every 2 months, and POCUS 101 every 4 months. Most recently, EchoRef was updated on November 2, 2026 and POCUS 101 on November 3, 2026.

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