Best Heart Rate Zones Trainer Apps

238+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated October 2026

From beginner-friendly picks to power-user tools, our heart rate zones trainer list covers 238+ iPhone apps updated through October 2026. Compare ratings, prices, and screenshots in one place.

Compare top Heart Rate Zones Trainer Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Heart Rate Zones TrainerHeart Rate Zones TrainerFree—NoYesAug 2026
2Zones for TrainingZones for TrainingFree4.8★ (19K)NoYesOct 2026
3Zone 2: Heart Rate TrainingZone 2: Heart Rate TrainingFree4.6★ (241)NoYesSep 2026
4Zone Trainer: Heart Rate ZonesZone Trainer: Heart Rate ZonesFree4.9★ (12)NoNoSep 2026
5Zx: Heart Rate Zones TrainingZx: Heart Rate Zones TrainingFree4.3★ (70)NoYesJul 2026
6Zone 2 – Heart Rate TrainerZone 2 – Heart Rate TrainerFree—NoYesJul 2026
7Orange Zones Workout CompanionOrange Zones Workout CompanionFree4.4★ (1.1K)NoYesSep 2026
8Zone 2 Training AppZone 2 Training AppFree—NoNoSep 2026

Top Picks for Heart Rate Zones Trainer

Zones for Training#2

Zones for Training by Flask LLP

Heart Rate Zone Training
Strong Contender
💪 Health & Fitness
4.8😊(19K ratings)
FreeIn-App Purchases
Zones for Training screenshot 1
Zones for Training screenshot 2
Zones for Training screenshot 3
Zones for Training screenshot 4
Zones for Training screenshot 5
Zones for Training screenshot 6

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
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😊(241 ratings)
FreeIn-App Purchases
Zone 2: Heart Rate Training screenshot 1
Zone 2: Heart Rate Training screenshot 2
Zone 2: Heart Rate Training screenshot 3
Zone 2: Heart Rate Training screenshot 4
Zone 2: Heart Rate Training screenshot 5
Zone 2: Heart Rate Training screenshot 6

This app helps you track your weekly workout time spent in the Zone 2 heart rate range. It provides detailed tracking, connectivity with various heart rate monitors and Strava, and real-time feedback on your progress towards your fitness goals.

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 Rate Zones Trainer apps to explore

FAQ about Heart Rate Zones Trainer

Are there free heart rate zones trainer apps for iPhone?
Yes — 20 of the top heart rate zones trainer apps we rank are free to download, including Heart Rate Zones Trainer and Zones for Training.
Heart Rate Zones Trainer has no ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 238+ heart rate zones trainer apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.