Impella App vs EchoRef
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Impella App
This app offers healthcare professionals immediate access to essential resources for Impella heart pump procedures. It provides step-by-step videos, calculators, and instructions for use, ensuring critical information is available at the point of care, even offline.
- Step-by-step setup and insertion videos
- Personalized experience by role
- Procedure calculators (heparin rate, CPO, PAPi, AKI)
- Interactive patient selection checklist
- Impella instructions for use (IFUs)
- 24/7 Clinical Support Center access
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The Impella® App provides key resources health care professionals can access pre- and post-procedure at the point of care from the cath lab, ICU, OR or while in transport to improve patient outcomes. When patient care is critical, minutes matter. Offline content mode ensures cardiologists, surgeons, nurses, advanced practice providers and medical technicians always have access to the videos, content and algorithms they need. This app provides: - Step-by-step videos on the setup and insertion of Impella heart pumps - Personalized experience based on role and specialty - Calculators such as heparin rate, CPO, PAPi and AKI - Interactive Protected PCI patient selection checklist - Impella instructions for use (IFUs) - Click-to-call access to Abiomed’s 24/7 Clinical Support Center
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.
Screenshots
Verdict
The clearest difference is review sentiment: EchoRef at 100% against Impella App's 33%. EchoRef also leads on rating (4.9 vs 3.8) and ratings volume (1.4K vs 11). Impella App's advantage is iOS requirement (15.1 vs 26.0). On price, update cadence, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
EchoRef holds the better App Store score, 4.9 against 3.8. 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 point the same way: 33% of Impella App's written reviews are positive against 100% of EchoRef's.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.
| Parameter | Impella App | EchoRef |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (11 ratings) | 4.9 (1.4K ratings) — better |
| Positive reviews | 33.3% of reviews | 100.0% of reviews — better |
| Number of ratings | 11 | 1.4K — better |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.1 — better | 26.0 |
| Further details — not scored | ||
| Size | 29 MB | 104 MB |
| Age rating | 17+ | 17+ |
| Developer | Abiomed, Inc. | Rishi Kumar |
Customer experience
Impella App
EchoRef
In-app purchases
Impella App
No in-app purchases
EchoRef
No in-app purchases
Questions
Is Impella App free?
Is EchoRef free?
Which has better reviews, Impella App or EchoRef?
Do Impella App or EchoRef have ads?
Which is updated more often, Impella App or EchoRef?
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