Best Arrhythmia Apps

209+ iOS apps curated and reviewed

4.4 avg rating
19 free apps
Updated April 2026

Out of 209+ arrhythmia apps on iOS, 19 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Top Picks for Arrhythmia

arrhythmia#1

arrhythmia by Single Sail Software, LLC

Practice reading EKGs, lead II
Editor's Choice
🏥 Medical
4.2(87 ratings)
FreeIn-App Purchases
arrhythmia screenshot 1
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arrhythmia screenshot 4
arrhythmia screenshot 5
arrhythmia screenshot 6

Practice reading EKGs in lead II with this app, which offers Study Mode to view and compare rhythms, and Game Mode to challenge yourself to identify rhythms. Improve your EKG interpretation skills with a subscription and take your abilities to the next level.

ECG+ | Your Watch ECG Reader#2

ECG+ | Your Watch ECG Reader by Heartworks Pty Ltd

The original ECG analyzer
Strong Contender
🏥 Medical
4.4😐(2.2K ratings)
FreeIn-App Purchases
#31in Medical
ECG+ | Your Watch ECG Reader screenshot 1
ECG+ | Your Watch ECG Reader screenshot 2
ECG+ | Your Watch ECG Reader screenshot 3
ECG+ | Your Watch ECG Reader screenshot 4
ECG+ | Your Watch ECG Reader screenshot 5
ECG+ | Your Watch ECG Reader screenshot 6

This application is a comprehensive ECG analyzer that accurately measures QTc intervals for identifying potential cardiac risks. Its user-friendly interface provides detailed analysis to assist healthcare professionals in making informed decisions. Try it now for efficient ECG interpretation and monitoring.

What We Love

  • 🚀 Accurate ECG readings
  • 👍 Helpful in monitoring heart health
  • 📊 Provides useful insights and data
  • 🤖 Impressive algorithms and analysis

Room to Improve

  • 🐛 Inconsistent performance and reliability
  • 💰 Expensive subscription model
  • 🤔 Limited functionality in free version
Cardiio: Heart Rate Monitor#3

Cardiio: Heart Rate Monitor by Cardiio, Inc.

HR checker & beat analyzer
Worth Considering
💪 Health & Fitness
4.7😊(58K ratings)
FreeIn-App Purchases
Cardiio: Heart Rate Monitor screenshot 1
Cardiio: Heart Rate Monitor screenshot 2
Cardiio: Heart Rate Monitor screenshot 3
Cardiio: Heart Rate Monitor screenshot 4
Cardiio: Heart Rate Monitor screenshot 5
Cardiio: Heart Rate Monitor screenshot 6

Cardiio is a convenient heart rate monitoring application that allows users to easily check their heart rate using just their phone's camera. Stay informed about your heart health with this user-friendly and efficient app.

What We Love

  • 👍 Accurate heart rate monitoring
  • 👍 Convenient and easy to use
  • 👍 Helpful for monitoring heart health conditions
  • 👍 Useful workout features

Room to Improve

  • 🐛 Inconsistent or unreliable readings
  • 🐛 Difficulty getting readings after exercise
  • 🐛 Compatibility issues with newer iPhone models

More Arrhythmia apps to explore

4
Kardia
Kardia
Kardia
by AliveCor, Inc.
Free

Record and monitor your heart's activity with Kardia's FDA-cleared personal EKG devices. Instantly detect common arrhythmias, share data with your doctor, and track your heart health history from the comfort of home. Get the Kardia device and start taking control of your heart health today.

🏥 Medical
(217K)
5
Instant Heart Rate: HR Monitor
Instant Heart Rate: HR Monitor
Instant Heart Rate: HR Monitor
Pulse Tracker & Stress Test
Free

Track your heart rate instantly using your smartphone camera. Get real-time heart rate measurements, track your fitness progress, and stay on top of your health goals with ease. Download now and take control of your heart health.

💪 Health & Fitness
(229K)
6
HeartScan: Heart Rate Monitor
HeartScan: Heart Rate Monitor
HeartScan: Heart Rate Monitor
Instant Pulse & Rhythm Check
Free

Monitor, store, and share heart performance with an AI-based app. Get accurate heart rate measurements and detailed cardiac cycle data instantly. Export results for tracking progress and easily share with healthcare professionals.

💪 Health & Fitness
(50)
7
ECG EKG Interpretation Mastery
ECG EKG Interpretation Mastery
ECG EKG Interpretation Mastery
Read and Practice Cardiology
Free

Master EKG interpretation with our intuitive app! Perfect for paramedics, nurses, clinicians, and medical students, easily learn to read EKGs, understand 12-lead ECGs, interpret rhythms, and identify cardiac conditions. Try it for free and elevate your EKG mastery today!

🏥 Medical
(671)
8
Qaly | ECG Reader
Qaly | ECG Reader
Qaly | ECG Reader
Your ECGs, Read by Experts
Free

Get expert analysis of your ECG readings within minutes on the Qaly app, led by Stanford cardiologists. Easily interpret irregular heart rhythms and intervals with human expert interpretations. Join 100K heart heroes for peace of mind today.

💪 Health & Fitness
(828)
9
iCardiac: Heart Rate & Health
iCardiac: Heart Rate & Health
iCardiac: Heart Rate & Health
Heart Rate, Blood Pressure App
Free

Monitor and track your heart health with an innovative app that provides precise heart rate monitoring, blood pressure tracking, and personalized insights for optimizing your cardiovascular well-being. Download now for a healthier heart and a fulfilling life.

💪 Health & Fitness
(26K)
10
ECG Pro | Road to Mastery
ECG Pro | Road to Mastery
ECG Pro | Road to Mastery
ECG Made Easy
Free

Experience the ultimate ECG learning tool with thousands of real-world cases and professional interpretations. Perfect for medical students, doctors, and healthcare providers looking to enhance their ECG reading skills. Join over 5 million users today and sharpen your knowledge!

🏥 Medical
(79)
11
ECG APPtitude
ECG APPtitude
ECG APPtitude
ECG reference guide
Free

This comprehensive ECG reference guide provides students and healthcare practitioners with a systematic approach to ECG analysis and interpretation, using high-quality ECGs from real patients. It offers organized content, including rhythm and waveform analysis, and ECG interpretation, to help users understand normal physiology and abnormal features on the ECG.

🏥 Medical
(7)
12
Cardiac Arrhythmia Challenge
Cardiac Arrhythmia Challenge
Cardiac Arrhythmia Challenge
by CorXL LLC
Free
📚 Education
(2)
13
Heart Rate Monitor - Pulse BPM
Heart Rate Monitor - Pulse BPM
Heart Rate Monitor - Pulse BPM
Pulse: Step,Health HR&Oximeter
Free

Track your heart rate with ease using Pulse BPM. Monitor your pulse in real-time, keep track of your health, and stay on top of your fitness goals. Download now and take control of your heart health!

💪 Health & Fitness
(128K)
14
Eko: Digital Stethoscope + ECG
Eko: Digital Stethoscope + ECG
Eko: Digital Stethoscope + ECG
Record Heart Sounds & Rhythms
Free

Record heart sounds and ECG on your smartphone with Eko, a digital stethoscope app. Monitor and share heart health data easily.

🏥 Medical
(9.9K)
15
Instant ECG - Mastery of EKG
Instant ECG - Mastery of EKG
Instant ECG - Mastery of EKG
Electrocardiogram Rhythm Guide
$5.99

An essential Electrocardiogram guide designed for healthcare professionals, Instant ECG offers detailed ECG rhythm explanations and exam practice. Developed by iAnesthesia LLC, it's a top-rated resource for mastering EKG interpretations.

🏥 Medical
(501)
16
ECG Buddy
ECG Buddy
ECG Buddy
AI ECG/EKG analysis for HCPs.
Free

This AI-powered ECG analysis tool helps healthcare professionals quickly identify heart rhythm abnormalities and critical conditions with just a single scan on their mobile device. Trusted by over 80 hospitals, it provides instant risk assessments and seamless report sharing, and is available for free trial with daily usage credits.

🏥 Medical
(0)
17
Cardiograph Heart Rate Monitor
Cardiograph Heart Rate Monitor
Cardiograph Heart Rate Monitor
Instant Heartbeat Measuring
Free

Monitor your heart rate instantly with this application using your smartphone's sensors. Track your pulse history, view measurement graphs, and stay healthy by knowing your heart rate. Remember, it's not a substitute for professional medical advice.

🏥 Medical
(732)
18
ECG heart analyze - watch
ECG heart analyze - watch
ECG heart analyze - watch
EKG, HRV, Stress monitor
Free

Unlock the secrets of your heart's rhythm with the ECG Insight App for Apple Watch. Monitor your heart health through EKG, HRV, and stress analysis, receive personalized insights, and track your well-being over time. Start your journey towards optimal well-being today.

💪 Health & Fitness
(1.5K)
19
Heart Rate Monitor - Pulse HR
Heart Rate Monitor - Pulse HR
Heart Rate Monitor - Pulse HR
Heart Beat & Pulse Tracker App
Free

Monitor your heart rate with precision using Pulse HR. Get real-time updates on your pulse to keep track of your cardiovascular health effortlessly. Download now and prioritize your heart's well-being.

💪 Health & Fitness
(9K)
20
Watch ECG Pro - Deep Analysis
Watch ECG Pro - Deep Analysis
Watch ECG Pro - Deep Analysis
Arrhythmia, AFibCheck, HRV
Free

Monitor your heart rhythm and receive valuable feedback with this app, which analyzes ECG recordings from Apple Watch or ECG patch recorders and provides insights on cardiac rhythm, atrial fibrillation, and more. Install the app to track your heart health and receive practical tips for improvement.

🏥 Medical
(55)

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