Kohaer

Guided heart coherence

Only for iPhone

Free · Designed for iPhone. Not verified for macOS.

iPhone

Breathe, and your heart follows. Kohaer measures your heart coherence in real time with your Bluetooth chest strap and guides you to calm. 100% private. Find calm, one breath at a time. Kohaer turns your heart rhythm into a guide toward serenity. With heart coherence — a proven breathing technique — you ease your nervous system in just a few minutes a day. Connect your Bluetooth heart rate sensor (Polar H10 and compatible straps), follow the breathing circle, and watch your coherence settle in real time. Inside Kohaer: • Visual breathing guide — a circle that expands and contracts at the pace you choose (4, 5, 6 or 7 breaths per minute), with an optional sound cue. • Real-time coherence — your coherence score and heart rate are shown during the session, measured from your actual heartbeat. • Sessions your way — 3, 5, 10 minutes, or a custom duration. • Clear summary — average score, time spent in coherence, and the session curve. • History — track your progress day after day. Privacy by design. Kohaer runs entirely on your iPhone. No data is collected, no account, nothing sent to the cloud. Your sessions stay with you. Please note: Kohaer requires a Bluetooth heart rate sensor (a chest strap such as the Polar H10). The app does not measure heart rate from the iPhone alone. A few minutes of mindful breathing are enough to change your day. Start now.

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The developer, docsa, 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

    Accessibility

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

    Information

    Seller
    • docsa
    Size
    • 22.7 MB
    Category
    • Health & Fitness
    Compatibility
    Requires iOS 13.0 or later.
    • iPhone
      Requires iOS 13.0 or later.
    • iPod touch
      Requires iOS 13.0 or later.
    • Mac
      Requires macOS 11.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    • English and French
    Age Rating
    4+
    Copyright
    • © docsa
  • Developer Website
  • Privacy Policy