Best Cardiac Rhythm Apps

248+ iOS apps curated and reviewed

4.2 avg rating
18 free apps
Updated October 2026

Out of 248+ cardiac rhythm apps on iOS, 18 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Cardiac Rhythm Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1EKGSmart: Rhythm IdentifierEKGSmart: Rhythm IdentifierFreeβ€”NoNoSep 2026
2Cardiio: Heart Rate MonitorCardiio: Heart Rate MonitorFree4.7β˜… (58K)NoYesOct 2026
3ECG EKG Interpretation MasteryECG EKG Interpretation MasteryFree4.5β˜… (712)NoYesSep 2026
4arrhythmiaarrhythmiaFree4.2β˜… (111)NoYesAug 2026
5ECG Pro | Road to MasteryECG Pro | Road to MasteryFree4.5β˜… (3.6K)NoYesSep 2026
6AF MonitorAF MonitorFreeβ€”NoNoMay 2026
7aerorideaerorideFree5.0β˜… (4)NoNoSep 2026
8KardiaKardiaFree4.8β˜… (232K)NoNoOct 2026

Top Picks for Cardiac Rhythm

Cardiio: Heart Rate Monitor#2

Cardiio: Heart Rate Monitor by Cardiio, Inc.

HR checker & beat analyzer
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

Easily track your heart rate, blood oxygen, and fitness using your phone's camera. Get instant readings, analyze trends, and access quick workouts to improve your cardiovascular health. Unlock advanced features for deeper insights and personalized health comparisons.

What We Love

  • πŸ‘ Accurate heart rate monitoring
  • πŸ‘ Convenient and easy to use
  • πŸ‘ Helpful for monitoring heart health conditions
  • πŸ‘ Useful workout features
  • πŸ‘ Integrates well with Apple Health

Room to Improve

  • πŸ› Inconsistent or unreliable readings
  • πŸ› Difficulty getting readings after exercise
  • πŸ› Compatibility issues with newer iPhone models
  • πŸ’° Paid features not worth the cost
  • πŸ”’ Privacy concerns with data sharing
ECG EKG Interpretation Mastery#3
4.5😞(712 ratings)
FreeIn-App Purchases
ECG EKG Interpretation Mastery screenshot 1
ECG EKG Interpretation Mastery screenshot 2
ECG EKG Interpretation Mastery screenshot 3
ECG EKG Interpretation Mastery screenshot 4
ECG EKG Interpretation Mastery screenshot 5
ECG EKG Interpretation Mastery screenshot 6

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

  • πŸ“š Simple, easy-to-understand format
  • 🎨 Nice graphics and visual presentation
  • πŸ“– Good reference material for EKG basics
  • βœ… Comprehensive coverage from basics to advanced levels

Room to Improve

  • πŸ’° Expensive subscription model ($9.99-$20/month)
  • πŸ”’ Invasive privacy policy collecting personal data
  • ⚠️ Automatic charging after free trial without clear warning
  • πŸ“ Limited content - only ~20 note cards
  • ❌ Lacks depth and in-depth explanations
  • 🚫 Paywall blocks access to most features
  • 🎯 Poor quiz/practice question functionality
  • πŸ˜• Not user-friendly interface
  • πŸ”„ Requires constant monthly payments vs. one-time purchase
  • πŸ“± Compatibility issues with newer devices (iPhone X)

More Cardiac Rhythm apps to explore

FAQ about Cardiac Rhythm

Are there free cardiac rhythm apps for iPhone?
Yes β€” 18 of the top cardiac rhythm apps we rank are free to download, including EKGSmart: Rhythm Identifier and Cardiio: Heart Rate Monitor.
EKGSmart: Rhythm Identifier has no ads and has no in-app purchases, according to its App Store listing as of October 2026.
We track 248+ cardiac rhythm apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.

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