# HR Zone Monitor — Heart Rate Zone Training

> Heart Rate Zone Training (iPhone/iPad app by Nicholas KosGei.)

- Source: https://appshunter.io/ios/app/hr-zone-monitor/id6759027810 (this page in markdown: same URL + `.md`)
- Developer: [Nicholas KosGei](https://appshunter.io/developer/1782379117)
- Category: Health & Fitness, Sports
- Price: Free
- Age rating: 4+
- Requires: iOS 15.0 · 6 MB
- Released: 2026-02-24
- Data updated: 2026-05-31
- User reviews in markdown: https://appshunter.io/ios/app/hr-zone-monitor/id6759027810/reviews.md

## What is HR Zone Monitor?

HR ZONE MONITOR - TRAIN IN YOUR OPTIMAL HEART RATE ZONE

Take your cardio training to the next level with HR Zone Monitor, the intelligent Apple Watch companion that keeps you in your optimal heart rate zone throughout your workout. Whether you're building endurance, burning fat, or pushing your limits, real-time alerts ensure you're training at the right intensity.

SMART ZONE TRAINING
• 5 scientifically-based training zones (50-100% of max HR)
• Zone 1: Recovery & warm-up (50-60%)
• Zone 2: Fat burning & endurance (60-70%)
• Zone 3: Aerobic fitness (70-80%)
• Zone 4: Anaerobic threshold (80-90%)
• Zone 5: Maximum effort (90-100%)
• Automatic zone calculation based on your age
• Manual zone customization available

REAL-TIME ALERTS
Stay focused on your workout while HR Zone Monitor monitors your heart rate. Get instant feedback when you drift out of your target zone:
• Customizable haptic feedback patterns
• Optional sound alerts
• Escalating alerts if you stay out of zone
• Toggle alerts on/off during workouts
• Visual zone status indicators

WORKOUT TRACKING
• Live timer with millisecond precision
• Current heart rate display
• Average heart rate tracking
• Active calories burned
• Distance covered
• Pause and resume workouts seamlessly
• All workouts saved to Apple Health

DETAILED PROGRESS
View comprehensive workout analytics:
• Time spent in zone, above zone, and below zone
• Interactive heart rate charts with zone boundaries
• Historical zone data preserved for each workout
• Complete workout history
• Integration with Apple Fitness app

PERSONALIZED EXPERIENCE
• Age-based zone calculations
• Choose metric or imperial units
• Customizable alert preferences
• Clean, intuitive Watch interface
• Optimized for all Apple Watch models

SEAMLESS APPLE INTEGRATION
• Syncs with Apple Health
• Appears in Apple Fitness app as "Cardio Zone Workout"
• iPhone app for configuration and progress review
• Watch Connectivity for instant settings sync

PERFECT FOR
• Runners and cyclists training with heart rate targets
• HIIT and interval training enthusiasts
• Endurance athletes building aerobic base
• Anyone following structured training plans
• Fitness enthusiasts optimizing fat burning
• Athletes monitoring recovery intensity

WHY HEART RATE ZONE TRAINING?
Training in specific heart rate zones helps you achieve targeted fitness goals more efficiently. Zone 2 training builds your aerobic base and burns fat. Zone 4 improves your lactate threshold. Each zone offers unique physiological benefits. HR Zone Monitor makes it easy to stay in your target zone without constantly checking your watch.

REQUIRES
• Apple Watch (watchOS compatible)
• iPhone for setup and progress review

PRIVACY FIRST
Your health data stays on your device and in your iCloud account. HR Zone Monitor only accesses heart rate data during active workouts with your permission.

Start training smarter today. Download HR Zone Monitor and discover the power of precision heart rate zone training!

---

Note: This app uses HealthKit to read heart rate data during workouts and save workout summaries to your Health app.


## Version history (last 4 releases)

### 1.3 — 2026-03-21

• Swipe to delete workouts from Progress tab
• Live workout notifications when screen is off
• Pause/resume workouts during sessions
• Mute button for out-of-zone alerts
• Metric/Imperial unit selection
• iOS 15+ support for wider device compatibility
• Improved UI responsiveness on all Watch sizes
• Bug fixes and performance improvements

### 1.2 — 2026-02-26

• Delete workouts with a simple swipe in the Progress tab
   • Stay informed with live workout notifications when your Watch screen is off
   • Pause and resume workouts anytime during your session
   • Mute out-of-zone alerts during workouts with the new mute button
   • Choose between Metric and Imperial units for distance and measurements
   • Improved user interface with better clarity and responsiveness
   • Updated user guidance for easier app navigation

### 1.1 — 2026-02-25

• Redesigned Watch interface for better visibility across all Apple Watch models
• Improved layout responsiveness for 40mm to 49mm Ultra watches
• Updated app name to HR Zone Monitor
• Enhanced button spacing and control positioning
• Better readability during workouts with optimized font sizing

### 1.0 — 2026-02-24

No release notes.

## More apps by Nicholas KosGei

- [Doc-ese](https://appshunter.io/ios/app/doc-ese/id6738795450)
- [Build-Fit](https://appshunter.io/ios/app/build-fit/id6758563750)

All apps by Nicholas KosGei: https://appshunter.io/developer/1782379117

## Related topics

[hr zone monitor](https://appshunter.io/ios/topics/hr-zone-monitor)

---

*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-05-31.*