Inner Balance™ Coherence Plus

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Achieve Heart Coherence and Elevate Your Well-being with Inner Balance Coherence Plus

Experience the transformative power of heart coherence and unlock a healthier and high-performance state where your heart and brain are harmoniously in sync. This extraordinary state empowers you to effectively prevent and reduce stress, anxiety, and overwhelm, leading to improved health and performance, and clearer, more effective decision-making.

Using real-time heart rhythm coherence biofeedback and evidence-based techniques, Inner Balance Coherence Plus helps you enhance your mental and emotional wellness. You can elevate your emotional state in the moment, become more aware of accumulated stress, and release it, resulting in an improved sense of well-being and heightened mental clarity.

Built upon three decades of pioneering heart-brain research, this remarkable tool measures and translates your heart rhythm patterns (HRV) into real-time coherence scores. It guides you to achieve heart and brain synchronization, equipping you with the skills to navigate life with balance and harmony.

With just a few minutes of daily practice, heart coherence becomes an accessible tool for more balanced, effective, and healthier living. Over time, you'll develop a skill set that can be applied to every aspect of your life, even without the app. Elevate your mental and emotional wellness and embark on a journey to a happier, healthier life.

How it works

The Science Behind the Inner Balance Coherence Plus

Our heart rate is always changing, creating a pattern. Heart rhythm patterns, also called heart rate variability (HRV), are a powerful window into our health and emotional wellness.

Feeling Stressed

ear sensor

When we are out of sync (stressed, frustrated, anxious, etc.), our heart rhythm patterns are jagged and chaotic.

Feeling Appreciative

ear sensor

When we are in sync (composed, easeful, grateful, etc.), our heart rhythm patterns look like smooth sine waves.

We can learn to change our heart rhythm patterns to change how we feel and perform.

Inner Balance Coherence Plus translates your heart rhythm patterns into a real-time coherence score that you can use to build your heart coherence.

Jagged HRV

ear sensor

Out of sync

Lower Score

ear sensor

Smooth HRV

ear sensor

In sync

Higher Score

ear sensor

How the Inner Balance Coherence Plus Sensor Works

HRV biofeedback to decode the language of your heart

The Inner Balance Coherence Plus uses professional-grade photodetectors to measure your pulse wave 500 times a second.

This data is then translated into highly accurate HRV, which reflects how your heart rate changes over time. HRV offers a powerful window into the quality of communication between the heart and brain, which directly impacts how we feel and perform.

Our proprietary algorithm then translates your heart rate data and HRV patterns into a real-time score that updates every 5 seconds.

This measurement helps you understand which thoughts, emotions, attitudes, or techniques increase or decrease your heart coherence — so you can train yourself to access this highly beneficial state.

Hours of video and audio content designed to activate meaningful change throughout your life

The HeartMath® app is much more than coherence measurement. Expert-led content included in the HeartMath companion app helps you build a coherence skill set through courses, learning journeys, and practices designed to help you activate meaningful change throughout your life — everything from powering up your day with more energy, effective decision-making, getting along with others, releasing the day’s tensions, better sleep, and much more.

Features and Specs


HRV accuracy with 500 Hz precision detects even the smallest changes in your HRV.

Intuitive lights

display session, battery, and app connection status.

Built-to-last premium materials

include a strong PC-ABS engineering thermoplastic, all-metal clothing clip, and durable braided cable.


ergonomic shape and lightweight design.

Detachable ear clip

Advanced LED photodetector

and auto gain control provides high-resolution, artifact-free pulse signal quality, able to read even low HRV or weak pulse signals.


    Requires Bluetooth 4.0 or higher


    This product is designed for use with Android v9.0 and above.


    Requires iOS 16.0 or above; works with iPhone 6s and iPad OS 15 generation and newer.
    *Inner Balance Bluetooth uses BT4.0 (BLE–Bluetooth Low Energy), which works at an output power range of 0.5 milliwatts (mW) or less — this is significantly lower than mobile phones, which typically have output levels between 250 mW and 2000 mW. The tiny Bluetooth emitter is in the module that attaches to your garment, not in the ear sensor. Inner Balance Bluetooth is compliant with applicable FCC tests.


    Box size: 6.5 x 3.6 x 2.03 inches (16.5 x 8.4 x 5.2 cm)
    Weight: 6.9 oz (195.6 g)


    Pod: 1.1 oz
    Ear: .4 oz
    Total: 1.5 oz
    Ear Clip size without Cable: 1.25 inches (3.2 cm)
    Ear Clip size with Cable: 19.5 inches (49.5 cm)
    Pod size: 2.75 x .75 x 1.125 inches (7 x 1.9 x 2.9 cm)
    USB-C Cable length: 4 feet (122 cm)

    What's in the Box?

    » Sensor Pod
    » Ear Clip
    » Ear Cable
    » USB-C Charging/Connector Cable
    » Quick Start Guide

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