• 1. Hold

    Rest Calmstone comfortably in your hand.

  • 2. Breathe

    Follow the gently guided lights to pace your breathing.

  • 3. Watch

    See the colors change as Calmstone responds to changes in your hand temperature.

Train Your Body to Return to Calm

Calmstone uses thermal biofeedback to translate changes in hand temperature into simple visual feedback - helping you practice relaxation, breathwork, and mindfulness while observing your body’s response.

Calmstone has been used by trusted therapists, psychologists, and wellness professionals as a supportive tool for guided relaxation and biofeedback practices.

Read the Science
  • Stress & Relaxation

    Slow down and create a simple calming routine when life feels overwhelming.

  • Mindfulness & Breathwork

    Use the guided lights as a visual breathing cue during meditation or quiet moments.

  • Therapy & Wellness Practices

    A portable biofeedback tool used by therapists and wellness professionals as part of guided relaxation practices.

  • ★★★★★

    “Whether I’m starting my day with a moment of calm or using it to unwind before bed, Calmstone has become my favorite tool for maintaining balance in a busy world.” -Lillian

  • ★★★★★

    “Outstanding execution of a brilliant concept. I’ve used it for about a month and am steadily improving. A simple solution to a complex issue.” -Frederick

  • ★★★★★

    “Utilizing Calmstone during a therapy session was an awesome experience. Its visual feedback helped us track physiological changes in real time while practicing controlled breathing and emotional regulation.” -Jacob

Featured on MedScape

Calmstone was first embraced by medical and wellness professionals. Following its Medscape feature after the 2023 American College of Lifestyle Medicine Conference, Calmstone gained wider recognition among therapists, wellness experts, corporate wellness leaders, and holistic health practitioners. Read the Medscape article here.

Making Wellness Accessible & Affordable

Founded by Dr. Franklin Ly in Spring 2023, Calmstone's foundation is rooted in wellness. His mission was established from a desire to make biofeedback technology accessible and affordable for everyone. Dr. Ly and his team are passionate about improving quality of life through simple, effective tools that support mental and physical well-being. What began as a small business has since grown into a global movement, serving health and wellness communities worldwide.

Our Story
  • Dr. Tara Consolino, a trauma-informed psychotherapist & Founder of The Darkling Collective, demonstrates how to use Calmstone.

    Watch the video 
  • Discover how Calmstone works and how its guided lights and calming features can support relaxation, mindfulness, and stress relief.

    Watch the video 
  • Creator NReluctant shares his experience with Calmstone and explores how the wellness device can support relaxation, mindfulness, and everyday stress relief.

    Watch the video