EchoRef vs POCUS 101
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Point-of-care ultrasound (POCUS)
- Transthoracic echocardiography (TTE)
- Transesophageal echocardiography (TEE)
- Cardiac dimensions and valve measurements
- Hemodynamic and ultrasound calculations
- Interventional procedure lessons
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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.
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.
- Access Point of Care Ultrasound courses
- Download completed certificates
- Direct messaging for groups
- Manage learner progress
- Group subscription features
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
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.
| Parameter | EchoRef | POCUS 101 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (1.4K ratings) | 5.0 (11 ratings) — better |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 1.4K — better | 11 |
| Update frequency | Every 2 months — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 26.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 104 MB | 57 MB |
| Age rating | 17+ | 17+ |
| Developer | Rishi Kumar | POCUS 101 |
Customer experience
EchoRef
POCUS 101
In-app purchases
EchoRef
No in-app purchases
POCUS 101
No in-app purchases








