Best Zones Cardio Apps

204+ iOS apps curated and reviewed

4.4 avg rating
18 free apps
Updated May 2026

Out of 204+ zones cardio 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.

Top Picks for Zones Cardio

Zones for Training#2

Zones for Training by Flask LLP

Heart Rate Zone Training
Strong Contender
๐Ÿ’ช Health & Fitness
4.7๐Ÿ˜Š(485 ratings)
FreeIn-App Purchases
Zones for Training screenshot 1
Zones for Training screenshot 2
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Zones for Training screenshot 4
Zones for Training screenshot 5
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

  • ๐Ÿ‘ Seamless integration with Apple Watch
  • ๐Ÿ‘ Helpful for daily stats and weekly/monthly comparisons
  • ๐Ÿ‘ Motivating haptic feedback on Apple Watch
  • ๐Ÿ‘ Well-designed app with nice interface

Room to Improve

  • ๐Ÿ› No after-sale support/service
  • ๐Ÿ› Inconsistent heart rate tracking
  • ๐Ÿ› Widgets not working after update
Orange Zones Workout Companion#3

Orange Zones Workout Companion by Bred Ventures Inc

Track Heart Rate Zones
Worth Considering
๐Ÿ’ช Health & Fitness
4.4๐Ÿ˜(1.1K ratings)
FreeAdsIn-App Purchases
Orange Zones Workout Companion screenshot 1
Orange Zones Workout Companion screenshot 2
Orange Zones Workout Companion screenshot 3
Orange Zones Workout Companion screenshot 4
Orange Zones Workout Companion screenshot 5
Orange Zones Workout Companion screenshot 6

Maximize your workout with the Orange Zone app: tailor each session to your heartbeat, earn points in high-intensity zones, track progress in real-time, and access diverse workouts for all fitness levels. Join now to redefine your fitness journey!

What We Love

  • ๐Ÿš€ Seamless integration with Apple Watch
  • ๐Ÿ‘ Accurate heart rate tracking
  • ๐Ÿงก Matches OTF color zones
  • ๐Ÿ’ฐ Cost-effective alternative to OTF monitors

Room to Improve

  • ๐Ÿ’ฐ Subscription model too expensive
  • ๐Ÿ› Connectivity issues with Apple Watch
  • ๐Ÿ” Limited data/history tracking

More Zones Cardio apps to explore

4
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!

๐Ÿ’ช Health & Fitness
(13K)
5
Cardio Rings - HR Zone Tracker
Cardio Rings - HR Zone Tracker
Cardio Rings - HR Zone Tracker
Track Heart Rate Zones weekly
Free
๐Ÿ’ช Health & Fitness
(1)
6
Zone 2 Plus: Cardio Fitness
Zone 2 Plus: Cardio Fitness
Zone 2 Plus: Cardio Fitness
Low heart rate training
$1.99
๐Ÿ’ช Health & Fitness
(0)
7
Cardio Zones.
Cardio Zones.
Cardio Zones.
Heart rate based training
$49.99

This heart rate based training application helps you optimize your workouts by tracking your heart rate and providing personalized training zones, voice guidance, and detailed analytics. With this app, you can improve your cardiovascular performance, achieve your fitness goals, and monitor your progress over time.

๐Ÿ’ช Health & Fitness
(40)
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!

๐Ÿ’ช Health & Fitness
(235)
9
iCardio Workout Tracker
iCardio Workout Tracker
iCardio Workout Tracker
Do heart rate training right!
Free

Track your heart rate training effectively with iCardio! This app integrates with Apple Watch and Apple Health, offering a wide range of YouTube workout videos for indoor and outdoor exercises. Visualize your efforts, set fitness goals, and track your progress comprehensively with personalized fitness assessments. Get in the best shape of your life today!

๐Ÿ’ช Health & Fitness
(3.4K)
10
Cardio Workout Companion
Cardio Workout Companion
Cardio Workout Companion
Track Heart Rate Zone
Free

Track your heart rate zones, calories, and points for every cardio workout with real-time feedback from a Bluetooth heart rate monitor or Apple Watch. Maximize your training and calorie burn by taking the guesswork out of your fitness journey and start achieving your goals today.

๐Ÿ’ช Health & Fitness
(57)
11
Heart Zones Training
Heart Zones Training
Heart Zones Training
HR, Step Tracking, Cycling
Free

This app helps you optimize your workouts using heart rate monitoring, step tracking, and various data points to keep your heart healthy and stress low. With features like customizable heart zone systems, live data tracking, and progress monitoring, you can monitor, measure, and manage your workouts to achieve your fitness goals.

๐Ÿ’ช Health & Fitness
(47)
12
Zx: Heart Rate Zones Training
Zx: Heart Rate Zones Training
Zx: Heart Rate Zones Training
Interval Timer & HIIT Trainer
Free

This personal training application guides users through interval workouts, helping them optimize their heart rate zones for improved fitness and performance. Create custom workouts, download community-made sessions, and track progress with in-depth stats and insights to take your training to the next level.

๐Ÿ’ช Health & Fitness
(70)
13
Echo: Watch Heart Rate Monitor
Echo: Watch Heart Rate Monitor
Echo: Watch Heart Rate Monitor
Use Apple Watch for Gym & Apps
Free

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!

๐Ÿ’ช Health & Fitness
(3.6K)
14
CardioBot: Stress & Activity
CardioBot: Stress & Activity
CardioBot: Stress & Activity
Cardio Activity HRV Tracker
Free

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!

๐Ÿ’ช Health & Fitness
(9.6K)
15
Zone 2 AI: Vo2 Max & Endurance
Zone 2 AI: Vo2 Max & Endurance
Zone 2 AI: Vo2 Max & Endurance
Fat Burn Zones Coach
Free
๐Ÿ’ช Health & Fitness
(65)
16
24GO by 24 Hour Fitness
24GO by 24 Hour Fitness
24GO by 24 Hour Fitness
Personalized Fitness Experi...
Free

Get personalized fitness plans and workouts tailored to your goals with the official app of 24 Hour Fitness. Access custom workout recommendations, thousands of workouts and plans, progress tracking features, and maximize your 24 Hour Fitness membership benefits. Download the app for free now and achieve your fitness goals faster!

๐Ÿ’ช Health & Fitness
(13K)
17
BitGym: Treadmill Cycling Erg
BitGym: Treadmill Cycling Erg
BitGym: Treadmill Cycling Erg
Bike & Elliptical Workouts
Free

Experience virtual reality workout sessions on your exercise equipment with immersive scenic routes that mimic outdoor locations worldwide. Transform your routine into an engaging adventure by downloading the app today.

๐Ÿ’ช Health & Fitness
(1.4K)
18
Heart Zones Workout
Heart Zones Workout
Heart Zones Workout
Heart Rate Zone Training
Free

This workout app tracks heart rate zones during training, offering customizable zones, graphs, and alerts, and is fully operable on watchOS. It allows users to monitor their progress, set targets, and receive alerts, making it suitable for various workouts, including outdoor and indoor activities.

๐Ÿ’ช Health & Fitness
(6)
19
Fat Burn in Zone 2
Fat Burn in Zone 2
Fat Burn in Zone 2
Smart Heart Rate Training
Free

Track your fat burn in real-time and optimize your workouts with personalized insights. Get instant feedback, vivid visualizations, and data-driven results to enhance your weight loss journey. Join the future of fitness today!

๐Ÿ’ช Health & Fitness
(38)
20
Zone Trainer: Heart Rate Zones
Zone Trainer: Heart Rate Zones
Zone Trainer: Heart Rate Zones
Heart rate zones hands-free
Free
๐Ÿ’ช Health & Fitness
(12)