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.

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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.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    The developer has not yet indicated which accessibility features this app supports. Learn More

    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.
    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+
    Copyright
    • © 2026 Jay Choi