Best Heart Zones Training Apps

250+ iOS apps curated and reviewed

4.2 avg rating
19 free apps
Updated October 2026

With an average user rating of 4.2★, the heart zones training category is one of the App Store's strongest. Browse all 250+ apps we track, sorted so the most loved ones surface first.

Compare top Heart Zones Training Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Zones for TrainingZones for TrainingFree4.8★ (19K)NoYesOct 2026
2Heart Zones ThriveHeart Zones ThriveFree3.7★ (47)NoNoOct 2026
3Zone 2: Heart Rate TrainingZone 2: Heart Rate TrainingFree4.6★ (243)NoYesOct 2026
4Zone Trainer: Heart Rate ZonesZone Trainer: Heart Rate ZonesFree4.7★ (18)NoNoOct 2026
5Zone 2 – Heart Rate TrainerZone 2 – Heart Rate TrainerFree—NoYesJul 2026
6iCardio Workout TrackeriCardio Workout TrackerFree4.8★ (3.4K)NoYesOct 2026
7Zx: Heart Rate Zones TrainingZx: Heart Rate Zones TrainingFree4.3★ (70)NoYesOct 2026
8Heart Rate Zone AnnouncerHeart Rate Zone AnnouncerFree3.0★ (2)NoNoSep 2026

Top Picks for Heart Zones Training

Zones for Training#1

Zones for Training by Flask LLP

Heart Rate Zone Training
Editor's Choice
💪 Health & Fitness
4.8😊(19K ratings)
FreeIn-App Purchases
Zones for Training screenshot 1
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This app helps you optimize your workouts by monitoring exercise intensity and visualizing it through heart rate zones. It supports over 70 workout types and provides detailed insights into your performance, all accessible on your Apple Watch and iPhone.

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
  • 👍 Useful for getting fit
  • 👍 Mirrors Health data reliably
  • 👍 Extends Health data in useful ways
  • 👍 Presents total exercise in a helpful way
  • 👍 Works great with SmartRow
  • 👍 Easy and fun to use
  • 👍 Syncs beautifully
  • 👍 Helps keep on track
  • 👍 Detailed and motivating stats
  • 👍 Simple but effective
  • 👍 Large heart rate numbers easy to see
  • 👍 Customizable heart rate zones
  • 👍 Provides useful insights and data analysis

Room to Improve

  • 🐛 No after-sale support/service
  • 🐛 Inconsistent heart rate tracking
  • 🐛 Widgets not working after update
  • 🐛 Pauses workout when taking screenshots or using Siri
  • 🐛 Glitches causing data loss
  • 🐛 Inaccurate calorie/distance tracking
  • 🐛 Zones not matching between watch and phone
  • 🐛 Expensive for basic features
Heart Zones Thrive#2

Heart Zones Thrive by Upbeat Workouts

HR, Step Tracking, Cycling
Strong Contender
💪 Health & Fitness
3.7😐(47 ratings)
Free
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This app tracks heart rate and steps for various activities, offering personalized training zones and workout optimization. It provides detailed data, calorie tracking, and motivational progress visualization, all for free.

What We Love

  • 👍 Tracks heart rate zones effectively
  • 👍 Provides workout reports
  • 👍 Useful for indoor bike training
  • 👍 Real-time feedback on target zones
  • 👍 Great for cycling
  • 👍 Easy to track progress
  • 👍 Intuitive to use
  • 👍 Helpful recovery insights
  • 👍 Game-changer for training
  • 👍 Simple, comprehensible data
  • 👍 Helps monitor heart health
  • 👍 Easy to set fitness goals
  • 👍 User-friendly design
  • 👍 Good for PE students
  • 👍 Motivational for rehab
  • 👍 Excellent tracking and history
  • 👍 Stays connected daily
  • 👍 Records workouts in detail
  • 👍 Best HR fitness app
  • 👍 Reinvigorates workouts
  • 👍 New level of accountability
  • 👍 Helps avoid high pulse rate
  • 👍 Ensures sufficient exercise
  • 👍 Supports multiple zones
  • 👍 Free with 40 years of development

Room to Improve

  • 🐛 Does not connect to Apple Watch
  • 🐛 App crashes during workouts
  • 🐛 No support response
  • 🐛 HR strap connection issues
  • 🐛 Age data reverts to default
  • 🐛 Workouts not locatable
  • 🐛 Re-syncing HR monitor required
  • 🐛 Height setting limited
  • 🐛 Screen times out
  • 🐛 UI is worse
  • 🐛 Data presented less clearly
  • 🐛 Calorie spelling error
  • 🐛 Hard to read current HR
  • 🐛 All data lost after app change
  • 🐛 Cannot sync HR monitor
  • 🐛 Lost history with update
  • 🐛 No zones on Apple Watch
  • 🐛 History not displaying latest workout
  • 🐛 Deleting workouts is random
  • 🐛 No help or user guide
  • 🐛 Lap counter button unexplained
  • 🐛 History slow to appear
  • 🐛 Not recording/storing data
  • 🐛 Blank history
  • 🐛 Does not sync with Garmin
  • 🐛 Cannot find Polar H10
  • 🐛 No health app integration
  • 🐛 Does not work with Keiser M3i
  • 🐛 App shuts off when viewing history
  • 🐛 App shuts off when deleting rides
  • 🐛 Intermittent charging issues
  • 🐛 Incompatible with other apps
  • 🐛 Crashes connecting to Scosche Blink
  • 🐛 Won't detect monitor
  • 🐛 Latest update broke functionality
  • 🐛 Font too small
  • 🐛 Red text on black background
Zone 2: Heart Rate Training#3

Zone 2: Heart Rate Training by Shannon Bolick

VO2 Max, Cardio & HR Zones
Worth Considering
💪 Health & Fitness
4.6😊(243 ratings)
FreeIn-App Purchases
Zone 2: Heart Rate Training screenshot 1
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This app tracks your weekly workout time spent in Zone 2 heart rate, optimizing endurance and fat-burning. It connects with various Bluetooth heart rate monitors and Apple Watch for live feedback and integrates with existing workout data.

What We Love

  • 👍 Simple and intuitive user interface
  • ⏱️ Accurate real-time zone tracking during workouts
  • 📊 Comprehensive cumulative time tracking by zone
  • 🎯 Customizable heart rate zones and weekly goals
  • 🔗 Seamless integration with Apple Health and HR monitors
  • 📱 Large, easy-to-read display
  • 🎧 Audio alerts for zone changes
  • ⌚ Works effectively with Apple Watch
  • 🚀 Responsive developer with quick feature implementation
  • 💬 Excellent customer support from developer Shannon
  • 🎨 Polished and elegant design
  • 🔄 Background app functionality

Room to Improve

  • 🐛 Frequent Bluetooth disconnections from HR monitors
  • 🐛 App crashes and freezes mid-workout
  • 🐛 Tracking stops randomly during workouts
  • 📵 Portrait-only orientation (doesn't support landscape properly)
  • 💳 Pricing confusion and unexpected charges
  • 🔔 Excessive review prompts during workouts
  • ⚠️ Compatibility issues with some iPhone models
  • 📊 Zone calculation based on HRR instead of max HR percentage
  • 🎯 Mandatory Zone 2 goal that can't be disabled
  • ❌ Requires Apple Fitness subscription (according to one user)

More Heart Zones Training apps to explore

FAQ about Heart Zones Training

What are the best heart zones training apps for iPhone?
Zones for Training tops our heart zones training apps ranking as of October 2026, with a 4.8-star average from 19K App Store ratings, and it's free to download.
Yes — 19 of the top heart zones training apps we rank are free to download, including Zones for Training and Heart Zones Thrive.
Zones for Training has no ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 250+ heart zones training apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.