Best Cardio Zone Monitor Apps

221+ iOS apps curated and reviewed

4.6 avg rating
18 free apps
Updated June 2026

The best cardio zone monitor apps on iPhone average 4.6★ across 221+ titles — we've ranked them by what real users actually keep on their phones. Updated June 2026.

Top Picks for Cardio Zone Monitor

Zones for Training#1

Zones for Training by Flask LLP

Heart Rate Zone Training
Editor's Choice
💪 Health & Fitness
4.7😊(485 ratings)
FreeIn-App Purchases
Zones for Training screenshot 1
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Zones for Training screenshot 6

An application designed for heart rate zone training, allowing users to monitor exercise intensity and track various workout metrics like duration, calories, heart rate zones, and more. Ideal for a range of workouts, it provides real-time feedback through Apple Watch and detailed post-workout analysis on the iPhone. Start optimizing your workouts efficiently with Zones!

What We Love

  • 👍 Seamless integration with Apple Watch
  • 👍 Helpful for daily stats and weekly/monthly comparisons
  • 👍 Motivating haptic feedback on Apple Watch
  • 👍 Well-designed app with nice interface

Room to Improve

  • 🐛 No after-sale support/service
  • 🐛 Inconsistent heart rate tracking
  • 🐛 Widgets not working after update
Echo: Watch Heart Rate Monitor#2

Echo: Watch Heart Rate Monitor by Bred Ventures Inc

Use Apple Watch for Gym & Apps
Strong Contender
💪 Health & Fitness
4.4😊(3.6K ratings)
FreeIn-App Purchases
Echo: Watch Heart Rate Monitor screenshot 1
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Echo: Watch Heart Rate Monitor screenshot 6

Turn your Apple Watch into a Bluetooth heart rate monitor with ECHO. Connect your heart rate to various fitness apps and equipment, track customized heart rate zones, and enjoy a free 20-minute workout trial. Transform your workout experience today!

What We Love

  • 🚀 Works flawlessly
  • 👍 Easy to set up
  • 💡 Seamless integration with fitness equipment
  • 👍 Reliable connection

Room to Improve

  • 🐛 Frequent disconnections
  • 🐛 Inaccurate heart rate readings
  • 🔋 Drains Apple Watch battery
CardioBot: Heart Rate Monitor#3

CardioBot: Heart Rate Monitor by Majid Jabrayilov

Cardio Activity HRV Tracker
Worth Considering
💪 Health & Fitness
4.6😐(9.6K ratings)
FreeIn-App Purchases
CardioBot: Heart Rate Monitor screenshot 1
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Monitor your heart rate and daily activities with CardioBot, an all-in-one heart rate monitor and activity tracker that provides smart recommendations for improving cardiovascular health. With features like color-coded heart rate readings, workout and meditation data tracking, and sleep analysis, CardioBot offers a comprehensive view of your heart health on your iPhone. Start tracking your heart health today!

What We Love

  • 🚀 Great app for tracking heart health
  • 👍 Easy to use interface
  • 💡 Helpful insights and recommendations
  • 🚀 Integrates well with Apple Watch

Room to Improve

  • 🐛 Inaccurate or inconsistent data
  • 🔒 Privacy concerns with data collection
  • 💰 Subscription model required for full features

More Cardio Zone Monitor apps to explore

4
Heart Rate Plus: Pulse Monitor
Heart Rate Plus: Pulse Monitor
Heart Rate Plus: Pulse Monitor
Heart Rate Monitor and Tracker
Free

Monitor your heart rate on-the-go with this app using your smartphone's camera. Get instant and accurate results, track your fitness progress, set reminders, and easily share your data. Consult a medical professional for any health-related concerns. Unlock premium features to enhance your experience.

💪 Health & Fitness
(3.4K)
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
Cardiio: Heart Rate Monitor
Cardiio: Heart Rate Monitor
Cardiio: Heart Rate Monitor
HR checker & beat analyzer
Free

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.

💪 Health & Fitness
(58K)
7
FITIV Workout & Health Tracker
FITIV Workout & Health Tracker
FITIV Workout & Health Tracker
HRV, Sleep & Heart Rate Zones
Free

Get the ultimate fitness companion for unlocking your workout potential with comprehensive heart rate monitoring and personalized fitness data integration. Track progress, set goals, and enjoy live workout streaming with this all-in-one app. Crush your fitness targets and elevate your performance with guided workout planning, live coaching, and detailed exercise analysis. Start your fitness journey today!

💪 Health & Fitness
(13K)
8
Zone 2: Heart Rate Training
Zone 2: Heart Rate Training
Zone 2: Heart Rate Training
Cardio zones workout HR alerts
Free
$4.99 | 100% OFF

Track your heart rate during workouts with real-time monitoring, personalized heart rate zones, and detailed workout analysis. Achieve optimal training results by staying within your target heart rate zones. Start improving your fitness today!

💪 Health & Fitness
(235)
9
Heart Analyzer: Pulse Tracker
Heart Analyzer: Pulse Tracker
Heart Analyzer: Pulse Tracker
Watch Health & Cardio Metrics
Free

Track your heart rate, analyze your pulse, and monitor your overall health with real-time updates. Stay on top of your well-being with personalized insights and trends to help you achieve your fitness goals effortlessly.

💪 Health & Fitness
(22K)
10
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)
11
True Pulse Heart Rate Monitor
True Pulse Heart Rate Monitor
True Pulse Heart Rate Monitor
#1 Blood Pressure & O2 Logger
Free

Monitor your heart rate accurately with the True Pulse Heart Rate Monitor. Stay informed about your heart health in real-time and track your fitness progress effortlessly. Download now for a healthier tomorrow!

💪 Health & Fitness
(2.2K)
12
Heart Rate Monitor-Plus1Health
Heart Rate Monitor-Plus1Health
Heart Rate Monitor-Plus1Health
Instant Pulse & Stress Monitor
Free

Monitor your heart rate in real-time and track your health data with precision using the Heart Rate Monitor-Plus1Health app. Stay in tune with your body and take control of your well-being today.

💪 Health & Fitness
(1.3K)
13
Chest Strap HR Monitor
Chest Strap HR Monitor
Chest Strap HR Monitor
Zone 2 Training - No Watch
$8.99
⚽ Sports
(1)
14
AccuRate Heart Rate Monitor
AccuRate Heart Rate Monitor
AccuRate Heart Rate Monitor
Heart Rates, Heart Wave & AFib
Free

Track and monitor your heart rate and heart wave patterns with real-time data using our innovative heart rate monitor application. Stay informed about your cardiovascular health and make informed decisions for a healthier lifestyle. Download now to take charge of your heart health!

💪 Health & Fitness
(1.2K)
15
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)
16
HeartCast: Heart Rate Monitor
HeartCast: Heart Rate Monitor
HeartCast: Heart Rate Monitor
Broadcast Your Heart Rate!
Free

This application allows you to broadcast your heart rate from your Apple Watch to Bluetooth-enabled fitness equipment, like Peloton Bike and Tread, replacing traditional heart rate monitors. It ensures privacy by not collecting personal data and offers in-app purchases for additional features and support.

💪 Health & Fitness
(11)
17
Heart Rate Pro-Health  Monitor
Heart Rate Pro-Health  Monitor
Heart Rate Pro-Health Monitor
Pulse & ecg Checker Watcher
$19.99

Track and monitor your heart rate with real-time readings using Heart Rate Pro-Health Monitor. Stay informed about your health and fitness levels by easily measuring your pulse and accessing insightful data on the go. Download now for a healthier tomorrow!

💪 Health & Fitness
(7.9K)
18
Hands Free Heart Rate Monitor
Hands Free Heart Rate Monitor
Hands Free Heart Rate Monitor
Measure Pulse with a Selfie
Free

A convenient and efficient pulse monitoring app that utilizes facial micro-blushes to measure heart rate without the need for a flash or smudged lens. Ideal for fitness tracking, offering quick and free readings that can be saved to Apple Health. For feedback or inquiries, email HeartRate@HedronVision.com.

💪 Health & Fitness
(5K)
19
iCardio - Heart Rate Tracker
iCardio - Heart Rate Tracker
iCardio - Heart Rate Tracker
Pulse Monitor & Blood Pressure
Free

iCardio is a comprehensive health monitoring app that allows users to track their heart rate, blood pressure, blood sugar levels, and oxygen saturation. With features like HRV analysis, personalized insights, and Apple Health integration, iCardio empowers users to take control of their cardiovascular well-being and make informed decisions about their health. Download the app from the App Store today and start your journey towards optimal wellness.

💪 Health & Fitness
(1.5K)
20
Heart Rate Monitor‎
Heart Rate Monitor‎
Heart Rate Monitor‎
Measure Heart rate
Free

Measure your heart rate, track stress levels, and gain insights into your heart health with a simple, non-invasive, and accurate smartphone-based system. Download now and unlock a range of features to improve your well-being and stay on top of your cardiovascular health.

💪 Health & Fitness
(322)