for relief.

Lief measures your heart and breath to track your stress levels in real-time, using a clinically-proven biomarker of stress called heart rate variability (HRV).
  • cancel anytime
  • secure checkout
Most Popular


per month
Personal Lief HRV Coach
Device Access
Video Lessons
Sticker Refills


per month
Device Access
Guided Lessons
Sticker Refills
Access to Coaching Webinars
Insight into the body Insight into the body