






💓 Master your stress, own your calm — anytime, anywhere.
The HeartMath Inner Balance 30-Pin sensor is a compact biofeedback device designed for select iOS devices (iPhone 3GS to 4S, iPod Touch 4th gen, iPad 2 & 3rd gen). It delivers real-time heart rate variability (HRV) monitoring via an ear-lobe sensor, paired with on-screen coaching to help users synchronize breathing and positive emotions. The app tracks session history and coherence levels, providing visual feedback and motivational awards to support stress reduction, relaxation, and emotional resilience.
| ASIN | B00BLGDKF4 |
| Customer Reviews | 3.4 3.4 out of 5 stars (84) |
| Date First Available | March 2, 2013 |
| Is Discontinued By Manufacturer | No |
| Item model number | 6400 |
| Manufacturer | HeartMath |
| Product Dimensions | 5.5 x 1.5 x 7 inches; 4 ounces |
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