EchoRef
EchoRef Summary
EchoRef is a mobile iOS app in Medical by Rishi Kumar. Released in Sep 2018 (7 years ago). It has 1.6K ratings with a 4.88★ (excellent) average. Based on AppGoblin estimates, it reaches roughly 6.4K monthly active users . Store metadata: updated Dec 22, 2025.
Recent activity: 2.00 new ratings this week View trends →
Data tracking: SDKs and third-party integrations were last analyzed on Mar 5, 2025.
Store info: Last updated on App Store on Dec 22, 2025 .
4.88★
Ratings: 1.6K
Screenshots
App Description
EchoRef is a free iOS ultrasonography educational reference covering point-of-care ultrasound (POCUS), transthoracic echocardiography (TTE), and transesophageal echocardiography (TEE). Additionally, it contains cardiac dimensions, native/prosthetic valve measurements, hemodynamic/ultrasound calculations, and lessons ranging from interventional procedures to mechanical circulatory support.
This app is intended for educational and informational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you may have regarding a medical condition, and never disregard or delay seeking professional advice because of information provided by this app.
About Rishi Kumar, MD, FACC ("RK.MD")
I'm an adult cardiothoracic anesthesiologist and cardiovascular ICU intensivist practicing in academic medicine. I'm passionate about teaching with free, open-access medical education. Learn more on my site: https://rk.md