---
title: "ECGRef - Reviews, Revenue and Downloads in United States | Apple App Store"
description: "ECG interpretation, organized for the bedside.  ECGRef is a comprehensive electrocardiogram reference for physicians, nurses, advanced practice clinicians, medical students, and other healthcare learn"
---

# ECGRef — United States
> ECG & Arrhythmia Reference

![ECGRef App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/1f/36/4c/1f364cee-e4ef-e6fe-f1ff-e2db201db79c/AppIcon-0-0-1x_U007epad-0-1-85-220.jpeg/434x0w.png)

**Developer:** [Rishi Kumar](https://apptail.io/developer/rishi-kumar-xHab)
**Category:** Medical
**Rating:** 4.9/5 (31 ratings)
**Price:** Free
**Bundle ID:** app.rkref.ECGRef
**Store:** Apple App Store
**Country:** United States
**Version:** 1.8 (released 2026-10-13)
**Original Release:** 2026-01-13
**Languages:** English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/us/app/app/id6757675855)
**AppTail Page:** [https://apptail.io/app/ecgref-Yphy/united-states](https://apptail.io/app/ecgref-Yphy/united-states)

## ECGRef Description
ECG interpretation, organized for the bedside.

ECGRef is a comprehensive electrocardiogram reference for physicians, nurses, advanced practice clinicians, medical students, and other healthcare learners. Use a structured interpretation workflow, review rhythm patterns, explore ECG leads, check diagnostic criteria, and perform commonly used ECG calculations all in one focused reference.

FEATURES

• Step-by-step ECG interpretation workflow
• Rhythm recognition and clinically relevant pattern review
• Interactive frontal-plane and precordial lead explorer
• Searchable library of ECG terminology and concepts
• ECG calculators for heart rate, QTc, cardiac axis, ventricular hypertrophy, bundle branch block, wide-complex tachycardia, and more
• Clinical risk tools
• Bedside takeaways, common pitfalls, and “do not miss” findings
• Favorites, global search, related content, and personal notes

ECGRef connects core electrophysiology with practical ECG analysis. Whether you are learning a systematic approach, reviewing an unfamiliar rhythm, 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 

ECGRef 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.

## ECGRef Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/e6/56/3f/e6563f00-a7a2-ceb0-2128-9cf6c4df5576/Screenshot_iPhone_17_Pro_Max_07-04-2026_at_06.02.00.png/1320x2868.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/c5/34/c2/c534c2d3-30d8-0a10-66dd-1145aed6d62d/Screenshot_iPhone_17_Pro_Max_07-04-2026_at_06.01.31.png/1320x2868.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/d7/79/5b/d7795b0c-a06d-6a73-f623-91b9f11d7790/Screenshot_iPhone_17_Pro_Max_07-04-2026_at_06.02.04.png/1320x2868.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/2f/29/93/2f2993e3-903b-2454-573c-0aec48810801/Screenshot_iPhone_17_Pro_Max_07-04-2026_at_06.01.34.png/1320x2868.png)
- [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/0e/a9/ef/0ea9efc2-8dc8-4191-7cb8-ddf3e0a48828/Screenshot_iPhone_17_Pro_Max_07-04-2026_at_06.02.13.png/1320x2868.png)

## ECGRef Rating Breakdown in United States
- 5 stars: 30 (97%)
- 4 stars: 0 (0%)
- 3 stars: 1 (3%)
- 2 stars: 0 (0%)
- 1 stars: 0 (0%)

## ECGRef Reviews in United States

### ***** "Excellent presentation"
Easy to read and understand; clearly laid out and digestible.  It is very easy to navigate.  I would highly recommend for anyone working in healthcare!
-- lgfiedle, 2026-02-03

### ***** "A must have"
A must-have ECG resource. Clear, practical, and well organized without being overwhelming. One of the more useful ECG apps out there! Thank you!
-- Katie4593, 2026-01-17

[View all ECGRef reviews and detailed analytics on AppTail](https://app.apptail.io/signup?utm_campaign=ai-crawl&utm_content=reviews)





## ECGRef Available In
- [United States](https://apptail.io/app/ecgref-Yphy/united-states)
- [Australia](https://apptail.io/app/ecgref-Yphy/australia)
- [Canada](https://apptail.io/app/ecgref-Yphy/canada)
- [China](https://apptail.io/app/ecgref-Yphy/china)
- [United Kingdom](https://apptail.io/app/ecgref-Yphy/united-kingdom)
- [New Zealand](https://apptail.io/app/ecgref-Yphy/new-zealand)
- [Sweden](https://apptail.io/app/ecgref-Yphy/sweden)
- [Argentina](https://apptail.io/app/ecgref-Yphy/argentina)
- [South Africa](https://apptail.io/app/ecgref-Yphy/south-africa)

---

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