Best Cardiac Arrhythmia Challenge Apps

197+ iOS apps curated and reviewed

4.4 avg rating
16 free apps
Updated July 2026

arrhythmia is the household name in cardiac arrhythmia challenge, but it's far from the only option. We track 197+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Cardiac Arrhythmia Challenge Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1arrhythmiaarrhythmiaFree4.2★ (111)NoYesAug 2026
2ECG EKG Interpretation MasteryECG EKG Interpretation MasteryFree4.5★ (712)NoYesSep 2026
3AHA ACLS Mastery | Exam PrepAHA ACLS Mastery | Exam PrepFree4.7★ (1.7K)NoYesSep 2026
4ECG Pro | Road to MasteryECG Pro | Road to MasteryFree4.5★ (3.6K)NoYesSep 2026
5Cardiio: Heart Rate MonitorCardiio: Heart Rate MonitorFree4.7★ (58K)NoYesSep 2026
6ECG Test for DoctorsECG Test for DoctorsFree4.7★ (394)NoYesAug 2026
7KardiaKardiaFree4.8★ (226K)NoNoSep 2026
8ECG+ | Your Watch ECG ReaderECG+ | Your Watch ECG ReaderFree4.5★ (2.5K)NoYesSep 2026

Top Picks for Cardiac Arrhythmia Challenge

arrhythmia#1

arrhythmia by Single Sail Software, LLC

Practice reading EKGs, lead II
Editor's Choice
🏥 Medical
4.2(111 ratings)
FreeIn-App Purchases
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Practice interpreting EKGs in lead II with realistic simulations. Choose rhythms to study or test your knowledge in a game mode. Ideal for healthcare professionals to hone their diagnostic skills.

ECG EKG Interpretation Mastery#2

ECG EKG Interpretation Mastery by Higher Learning Technologies

Read and Practice Cardiology
Strong Contender
🏥 Medical
4.5😞(712 ratings)
FreeIn-App Purchases
ECG EKG Interpretation Mastery screenshot 1
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Learn to interpret ECGs with this comprehensive app. It offers study materials, practice ECG strips, and essential clinical facts to help you understand abnormal EKGs and master 12-lead interpretations.

What We Love

  • 📚 Simple, easy-to-understand format
  • 🎨 Nice graphics and visual presentation
  • 📖 Good reference material for EKG basics
  • ✅ Comprehensive coverage from basics to advanced levels

Room to Improve

  • 💰 Expensive subscription model ($9.99-$20/month)
  • 🔒 Invasive privacy policy collecting personal data
  • ⚠️ Automatic charging after free trial without clear warning
  • 📝 Limited content - only ~20 note cards
  • ❌ Lacks depth and in-depth explanations
  • 🚫 Paywall blocks access to most features
  • 🎯 Poor quiz/practice question functionality
  • 😕 Not user-friendly interface
  • 🔄 Requires constant monthly payments vs. one-time purchase
  • 📱 Compatibility issues with newer devices (iPhone X)
AHA ACLS Mastery | Exam Prep#3

AHA ACLS Mastery | Exam Prep by Higher Learning Technologies

ACLS Test Practice & Quiz 2026
Worth Considering
📚 Education
4.7😊(1.7K ratings)
FreeIn-App Purchases
AHA ACLS Mastery | Exam Prep screenshot 1
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Prepare for your ACLS certification exam with over 550 practice questions, reference materials, and megacode scenarios. Master essential resuscitation skills and gain confidence for test day. Study anytime, anywhere with adaptive quizzes and in-depth statistics.

What We Love

  • 👍 Helpful for studying and staying up-to-date
  • 🚀 Effective for repetitive, concise summaries
  • 💡 Great for exam revision and critical thinking
  • 🚀 Excellent overall for learning and mastering ACLS

Room to Improve

  • 🐛 Compatibility issues on iPhone
  • 🔒 Difficult to cancel subscription
  • 💰 High subscription cost
  • 🐛 Outdated information and errors in the app

More Cardiac Arrhythmia Challenge apps to explore

FAQ about Cardiac Arrhythmia Challenge

What are the best cardiac arrhythmia challenge apps for iPhone?
arrhythmia tops our cardiac arrhythmia challenge apps ranking as of July 2026, with a 4.2-star average from 111 App Store ratings, and it's free to download.
Yes — 16 of the top cardiac arrhythmia challenge apps we rank are free to download, including arrhythmia and ECG EKG Interpretation Mastery.
arrhythmia has no ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 197+ cardiac arrhythmia challenge apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
This app provides a platform to practice reading and interpreting EKGs specifically in lead II. It offers realistic simulations of various cardiac rhythms, allowing users to hone their diagnostic skills through study and game modes.
Key features include a Study Mode where you can select and compare specific rhythms with brief descriptions, and a Game Mode to challenge your identification skills with randomly presented rhythms. Rhythms can be customized, and their rates, amplitudes, and widths are dynamically set for realism.