Calmstone
Biofeedback Made Simple
Help clients observe what they can't always feel. Biofeedback uses information about physiological activity to help people become more aware of changes occurring in their bodies. During relaxation practice, those changes may not always be immediately noticeable.
Calmstone provides a simple visual representation of changes in hand temperature, giving clients something they can observe while practicing breathing, mindfulness, or other relaxation techniques.
Why Thermal Biofeedback?
Changes in stress and relaxation can influence the autonomic nervous system and peripheral circulation. During sympathetic activation, peripheral blood vessels can constrict, contributing to cooler hands. As arousal decreases, peripheral circulation may increase and skin temperature may rise.
Calmstone uses an infrared temperature sensor to detect changes in palm temperature and translates those changes into visual feedback. As palm temperature changes, Calmstone's visual display progresses through different colors. The feedback gives users a simple way to observe changes while practicing relaxation techniques.
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Measure
An infrared sensor monitors palm skin temperature.
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Visualize
Temperature changes are represented through Calmstone's light display.
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Practice
Clients can observe the feedback while practicing therapist-guided breathing, mindfulness, or relaxation techniques.
What Therapists Are Saying
A Simple Tool For Everyday Calm
TRUSTED BY PROFESSIONALS
Featured on MedScape
Calmstone has been used by medical and wellness professionals as a supportive tool for relaxation and biofeedback practices. After being featured by Medscape following the 2023 American College of Lifestyle Medicine Conference, Calmstone gained broader visibility among therapists, wellness professionals, corporate wellness leaders, and other practitioners.
Biofeedback in Modern Therapy
Biofeedback offers a way to bring physiological awareness into the therapeutic process. Rather than relying solely on how a client describes their experience, therapists can introduce an additional point of reference that helps clients become more curious about their body’s responses.
For therapists exploring mind-body approaches, Calmstone offers an accessible way to introduce biofeedback into practice while building on established techniques and the growing body of research surrounding biofeedback, stress regulation, and behavioral health.
You don't have to change your therapeutic approach. Calmstone can simply provide another source of feedback during practices you're already using.
Making Wellness Accessible & Affordable
Founded by Dr. Franklin Ly in 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.