Best Cardiio Apps

141+ iOS apps curated and reviewed

4.4 avg rating
19 free apps
Updated August 2026

Out of 141+ cardiio 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.

Compare top Cardiio Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Cardiio: Heart Rate MonitorCardiio: Heart Rate MonitorFree4.7★ (58K)NoYesSep 2026
2Instant Heart Rate: HR MonitorInstant Heart Rate: HR MonitorFree4.9★ (229K)YesYesSep 2026
3Heart Rate Monitor ϟHeart Rate Monitor ϟFree4.6★ (2.8K)YesYesSep 2026
4Heart Rate Pro-Health  MonitorHeart Rate Pro-Health Monitor$19.994.7★ (7.9K)NoNoSep 2026
5Instant Pulse - Blood PressureInstant Pulse - Blood PressureFree4.6★ (5.3K)YesYesSep 2026
6HeartFit - Heart Rate MonitorHeartFit - Heart Rate MonitorFree4.5★ (4.6K)YesYesSep 2026
7Heart Rate Monitor - Pulse BPMHeart Rate Monitor - Pulse BPMFree4.6★ (130K)YesYesSep 2026
8CardiioHealth: Good LifestyleCardiioHealth: Good LifestyleFree4.8★ (119)YesYesAug 2026

Top Picks for Cardiio

Cardiio: Heart Rate Monitor#1

Cardiio: Heart Rate Monitor by Cardiio, Inc.

HR checker & beat analyzer
Editor's Choice
💪 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

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

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

Room to Improve

  • 🐛 Inconsistent or unreliable readings
  • 🐛 Difficulty getting readings after exercise
  • 🐛 Compatibility issues with newer iPhone models
  • 💰 Paid features not worth the cost
  • 🔒 Privacy concerns with data sharing
Instant Heart Rate: HR Monitor#2

Instant Heart Rate: HR Monitor by Bodymatter, Inc.

Pulse Tracker & Stress Test
Strong Contender
💪 Health & Fitness
4.9😐(229K ratings)
FreeAdsIn-App Purchases
Instant Heart Rate: HR Monitor screenshot 1
Instant Heart Rate: HR Monitor screenshot 2
Instant Heart Rate: HR Monitor screenshot 3
Instant Heart Rate: HR Monitor screenshot 4
Instant Heart Rate: HR Monitor screenshot 5
Instant Heart Rate: HR Monitor screenshot 6

Measure your heart rate and stress levels accurately using your phone's camera. Track trends, view pulse waveforms, and utilize a StandUp test for fitness insights. Integrates with Apple Health.

What We Love

  • 🚀 Accurate heart rate measurements
  • 📊 Helpful for monitoring heart health
  • 💾 Saves and tracks heart rate history
  • 🆓 Free version available

Room to Improve

  • 🔒 Requires account creation to use
  • 💰 Expensive subscription for full features
  • 📢 Intrusive ads in free version
  • 🤖 Inconsistent or inaccurate readings
Heart Rate Monitor ϟ#3

Heart Rate Monitor ϟ by Heart Rate Monitor Fitness & Health

Pulse, Heartbeat Test
Worth Considering
💪 Health & Fitness
4.6😞(2.8K ratings)
FreeAdsIn-App Purchases
Heart Rate Monitor ϟ screenshot 1
Heart Rate Monitor ϟ screenshot 2
Heart Rate Monitor ϟ screenshot 3
Heart Rate Monitor ϟ screenshot 4
Heart Rate Monitor ϟ screenshot 5
Heart Rate Monitor ϟ screenshot 6

This app accurately measures and monitors your heart rate, pulse, and heart rate variability. Track your fitness, activity, stress, and overall health with detailed analysis and history. Get tips for better well-being.

What We Love

  • 👍 Convenient and easy to use
  • 🚀 Fast and responsive
  • 💡 Useful for monitoring heart health
  • 🔒 Accurate readings

Room to Improve

  • 🐛 Inconsistent or inaccurate readings
  • 💰 Expensive subscription model
  • 📢 Excessive advertisements
  • 🔋 High battery consumption

More Cardiio apps to explore

FAQ about Cardiio

What are the best cardiio apps for iPhone?
Cardiio: Heart Rate Monitor tops our cardiio apps ranking as of August 2026, with a 4.7-star average from 58K App Store ratings, and it's free to download.
Yes — 19 of the top cardiio apps we rank are free to download, including Cardiio: Heart Rate Monitor and Instant Heart Rate: HR Monitor.
Cardiio: Heart Rate Monitor has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 141+ cardiio apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
Cardiio transforms your iPhone into a health tool to track your heart rate, blood oxygen, and fitness. It provides instant readings, analyzes trends over time, and offers quick workouts to improve heart health. The app is designed for informational purposes and not for medical use.
To measure your heart rate, simply place your finger on your iPhone's camera. The app will then provide an accurate reading in seconds. This feature allows for effortless and instant heart rate monitoring.

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