HeartOxy

Train in Your Target Zone

Free · Designed for iPhone

Turn your Apple Watch into a real-time heart rate coach. Track workout zones, maximize fat burning, and monitor SpO₂ with smart health insights. Train Smarter in Your Target Heart Rate Zone HeartOxy helps you start structured Apple Watch workouts and train in your selected heart rate zone with real-time intensity feedback on your wrist and clear post-workout summaries. Whether you’re warming up, targeting fat burn or pushing aerobic performance, HeartOxy keeps your session focused and zone-based. Key Features • Start structured Apple Watch workouts • Select your preferred heart rate zone • Real-time intensity feedback during your workout • Clear visual indicators for Recovery, Low, Target, High, and Peak zones • SpO₂ display during workouts • Post-workout summary with heart rate stats • Zone distribution breakdown after every session • Session history and workout tracking How It Works 1. Choose your heart rate zone 2. Slide to start your workout 3. Train with live intensity feedback 4. Review your session summary and zone distribution HeartOxy uses Apple Watch workout sessions to record fitness data during active workouts and provide structured zone-based training feedback. Designed for Apple Watch HeartOxy is built specifically for Apple Watch users who want simple, structured heart rate zone training without complicated dashboards. All workouts are user-initiated and focused on active exercise sessions. Important HeartOxy is intended for fitness and workout guidance only. It is not a medical device and is not intended for diagnosis or medical use.

Ratings & Reviews

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Bug fixes.

Version 1.1.10

The developer, Boon Piow Leong, 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 indicated that this app supports the following accessibility features. Learn More

    • Supported Features

      • Larger Text

      • Dark Interface

    Information

    • Seller
      • Boon Piow Leong
    • Size
      • 11 MB
    • Category
      • Health & Fitness
    • Compatibility
      Requires iOS 16.0 or later.
      • iPhone
        Requires iOS 16.0 or later.
      • Mac
        Requires macOS 13.0 or later and a Mac with Apple M1 chip or later.
      • Apple Watch
        Requires watchOS 9.0 or later.
    • Languages
      • English
    • Age Rating
      4+
    • Copyright
      • © 2026 Boon Piow Leong
  • Developer Website
  • Privacy Policy