Zone 2 – Heart Rate Trainer
Vu Tran Health & Fitness iPhoneiPod touch
Zone 2 – Heart Rate Trainer is a free Health & Fitness app for iPhone and iPod touch by Vu Tran. Requires iOS 16.6. Updated April 8, 2026.
- Price
- Free
- on the App Store
- Size
- 6 MB
- Age 4+
- Updated
- Apr 8
- 2026 · v1.0
Screenshots
About Zone 2 – Heart Rate Trainer
Zone2 Pro – Your Personal Heart Rate Zone Trainer Zone 2 training is the foundation of aerobic fitness. Zone2 Pro helps you stay in the optimal heart rate zone for fat burning, endurance building, and cardiovascular health. KEY FEATURES: • Real-Time Heart Rate Zone Tracking Connect with Apple Watch for live heart rate monitoring. See instantly which zone you're in with beautiful visual feedback. • 5 Heart Rate Zones - Zone 1: Recovery (50-60% HR) - Zone 2: Aerobic / Fat Burning (60-70% HR) - Zone 3: Tempo (70-80% HR) - Zone 4: Threshold (80-90% HR) - Zone 5: VO2 Max (90-100% HR) • Smart Zone Calculation Uses the Karvonen formula for accurate zone calculation based on your max heart rate and resting heart rate. Supports multiple max HR calculation methods including age-based, VO2 Max, workout data, and manual entry. • Weekly Zone 2 Goal Set your weekly Zone 2 training target and track your progress with intuitive progress bars. • Workout History Log and review all your workouts with detailed zone breakdowns, duration, calories, and distance. • Statistics Dashboard View your training trends over time – daily, weekly, and monthly stats. • Multiple Workout Types Support for running, cycling, walking, hiking, swimming, tennis, elliptical, rowing, stair stepper, cross training, yoga, pilates, and strength training. • Apple Watch Companion Track workouts directly from your wrist with real-time zone feedback. • HealthKit Integration Seamlessly syncs with Apple Health for comprehensive health data. • Beautiful Dark Mode UI Liquid glass design with luminous accents for a premium experience. Whether you're a beginner building your aerobic base or an experienced athlete optimizing Zone 2 training, Zone2 Pro is your essential companion.
App privacy
The developer, Vu Tran, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
Alternatives to Zone 2 – Heart Rate Trainer
Looking for apps like Zone 2 – Heart Rate Trainer? Here are 6 similar apps on the App Store. The highest rated is GoL: Habit & Health Tracker (5.0/5), and all 6 are free to download.
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Heart Rate Zones Trainer
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HR Zones Weekly
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Trainingload.ai
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Runly: Run & Health Tracker
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GoL: Habit & Health Tracker
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ForestWalk - Every Step Counts
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Zone 2 – Heart Rate Trainer | – | Free | April 8, 2026 | |
| Heart Rate Zones Trainer | – | Free | Aug 19, 2026 | Compare |
| HR Zones Weekly | – | Free | May 20, 2026 | Compare |
| Trainingload.ai | – | Free | Sep 28, 2026 | Compare |
| Runly: Run & Health Tracker | – | Free | Aug 15, 2026 | Compare |
| GoL: Habit & Health Tracker | 5.0 / 5 (1) | Free | Oct 8, 2026 | Compare |
| ForestWalk - Every Step Counts | – | Free | Aug 25, 2026 | Compare |