RunnersHeart
Heart Rate Zone Running Coach
$1.99 · Designed for iPhone. Not verified for macOS.
Train smarter with real-time heart rate zone feedback. Feel your zone changes through haptic alerts on Apple Watch.
RunnersHeart transforms your Apple Watch into a smart running coach that keeps you in the right heart rate zone.
REAL-TIME ZONE FEEDBACK
• Feel haptic vibrations when you enter a new heart rate zone
• Each zone has a unique vibration pattern - instantly know your intensity
• Stay in your target zone without constantly checking your watch
PERSONALIZED HEART RATE ZONES
• Choose between %MaxHR (simple) or Heart Rate Reserve (advanced) methods
• Auto-estimate your resting heart rate from HealthKit data
• Zones automatically calculated based on your age and fitness level
DETAILED WORKOUT ANALYSIS
• View time spent in each zone with beautiful charts
• Track your training load with Edwards TRIMP score
• See your GPS route with smoothed path visualization
• Share workout cards as beautiful images
DESIGNED FOR RUNNERS
• Minimal interface - focus on your run, not your screen
• Works offline - no internet required during workouts
• All data stays on your device - complete privacy
• Syncs seamlessly between iPhone and Apple Watch
HEART RATE ZONES EXPLAINED
Zone 1 (Warmup): Easy effort, recovery
Zone 2 (Endurance): Comfortable, fat-burning pace
Zone 3 (Tempo): Moderate effort, improves efficiency
Zone 4 (Threshold): Hard effort, builds speed
Zone 5 (Sprint): Maximum effort, peak performance
Whether you're training for a marathon or just getting started, RunnersHeart helps you run at the right intensity for your goals.
Privacy: Your health data never leaves your device. We don't have servers - everything stays between you and Apple HealthKit.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Version 2.3.2
• Fixed an issue where the GPS route was not saved during the first workout because the location permission prompt appeared after the session had already started
• Workouts now verify location permission before starting so your route is recorded accurately from the very first run
The developer, oozoofrog, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- oozoofrog
- Size
- 19.5 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 26.0 or later.
- iPhone
Requires iOS 26.0 or later. - Mac
Requires macOS 26.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 26.0 or later. - Apple Watch
Requires watchOS 26.0 or later.
- iPhone
- Location
- This app may use your location even when it isn’t open, which can decrease device battery life.
- Languages
English and 2 more
- English, Japanese, Korean
- Age Rating
4+
- 4+
- Contains
User-Generated Content
- Copyright
- © 2026 Jay Choi

