Best Cardiio Apps

147+ iOS apps curated and reviewed

4.4 avg rating
19 free apps
Updated October 2026

Out of 147+ 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 (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Cardiio: Heart Rate MonitorCardiio: Heart Rate MonitorFree4.7★ (58K)NoYesNov 2026
2Instant Heart Rate: HR MonitorInstant Heart Rate: HR MonitorFree4.9★ (229K)YesYesNov 2026
3Cardiograph Heart Rate MonitorCardiograph Heart Rate MonitorFree4.6★ (769)NoYesOct 2026
4Heart Rate Monitor ϟHeart Rate Monitor ϟFree4.6★ (2.9K)YesYesOct 2026
5Heart Rate Pro-Health  MonitorHeart Rate Pro-Health Monitor$19.994.7★ (7.9K)NoNoNov 2026
6Heart Rate Monitor - Pulse BPMHeart Rate Monitor - Pulse BPMFree4.6★ (131K)YesYesNov 2026
7Heart Rate Monitor・Pulse RateHeart Rate Monitor・Pulse RateFree3.3★ (3)NoNoOct 2026
8Instant Pulse - Blood PressureInstant Pulse - Blood PressureFree4.6★ (5.3K)YesYesOct 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
Cardiograph Heart Rate Monitor#3

Cardiograph Heart Rate Monitor by ExaMobile S.A.

Instant Heartbeat Measuring
Worth Considering
💪 Health & Fitness
4.6😞(769 ratings)
FreeIn-App Purchases
Cardiograph Heart Rate Monitor screenshot 1
Cardiograph Heart Rate Monitor screenshot 2
Cardiograph Heart Rate Monitor screenshot 3
Cardiograph Heart Rate Monitor screenshot 4
Cardiograph Heart Rate Monitor screenshot 5
Cardiograph Heart Rate Monitor screenshot 6

Measure your heart rate instantly using your smartphone's camera and LED flashlight. Track your pulse history with clear graphs and intuitive guidance for accurate readings. Useful for exercise, stress, or general health curiosity.

What We Love

  • ⭐ Excellent app
  • 👍 Easy to use
  • 🤖 Accurate heart rate detection

Room to Improve

  • 🚫 Doesn't work as advertised
  • 🔍 Inaccurate readings
  • ⏱️ Unreliable/inconsistent performance
  • 🔴 Doesn't work with newer devices

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 October 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 October 2026.
We track 147+ cardiio apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.

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