We help you Get Ready and Stay Ready.
Learn how OTO helps optimize your functional state to manage stress and achieve the extraordinary.
What is OTO?
An AI health pro in your pocket. OTO helps you measure and manage your health to minimize the biological cost to ensure tactical readiness. OTO is precision Health Intelligence paired with expert insights.
Using medical-grade wearable technology and machine learning, OTO analyzes your unique biometric data (OTO intel) to generate an in-app personalized activity plan with specific recommendations (OTO coach) that can support stress resilience, recruit fitness, post-injury recovery and functional strength, all while optimizing your system to maintain homeostasis. OTO is science backed and elite athlete endorsed, giving you control over your health, training and performance goals.
Did you know?
Studies show that by tracking key regulatory systems and biological load, you can optimize the volume and intensity of training to precise, individual levels, this allows you to do less with better results.1,2 OTO allows you to tailor daily activities to get exactly the right amount of activity at the right time. Everyone is different, everyone deserves precision.
Partner with OTO to help you measure and manage your health to optimize your health, training and performance journey.
Why OTO?
Improve Situational Readiness. Tracking 54+ physiologic properties, the only wearable in the market that can assess the brain, heart, nervous systems (central and autonomic) and energy supply system. But what good is data without solutions. OTO provides precise in-App recommendations (*subscription required) to guide what you should or should not do to minimize biological cost and maximize readiness.
Evidence backed. Starting in space medicine and built on 40+ years of advanced science makes OTO the gold standard. This ensures your data is accurate and your solutions validated 3
Non-invasive and Secure. True medical-grade hardware that streams your data to the cloud (HIPAA compliant) which guarantees your personal biometric data is safe and secure.
Trusted by Elite Athletes. Used by the biggest leagues in the world: NBA, NHL, NFL, MLB, PGA, EPL, UFC, MLS, elite amateurs in International Olympic Committee’s, and SOCOM for the sole purpose of individual excellence, safety, and performance optimization.
1 Morris CW (2015). The Effect of Fluid Periodization on Athletic Performance Outcomes in American Football Players.
2 Heikura I, Vesterinen V, Mero A, Nummela A (2015). Individual Adaptation to Endurance Training Guided by Heart Rate Variability.
3 Orellana JN, Álvarez JFR, Alvarez JLR (2019). Comparison of OTO Device and an Ambulatory ECG for RR Interval Measurement at rest.
using Actionable Health
Intelligence to help you
get ready and stay ready.
OTO Chest Strap & Sensor
Your OTO Chest Strap and Sensor isn’t your average wearable. It’s medical-grade technology that measures 50+ metrics related to stress and your ability to adapt to it, including EEG/DC potential, ECG, and HRV. Together, these metrics paint a picture of your physiological stress and capacity to manage it.

OTO AI Health Pro
OTO AI Health Pro Your Health Pro turns complex data from the OTO Chest strap and Sensor into an in-app personalized daily activity plan, informed by decades of research on stress, training and performance optimization. Think of OTO as a science-driven coach in your pocket, that can offer precise recommendations to optimize your fitness and performance outcomes.

How it works
Getting started is easy. After completing your account information and providing your unique measurements for the wearable device, we will ship the device directly to your home and you will be directed to download the OTO Life app.
Get started now to improve your stress resilience on your fertility journey.


Pat Burgess, MS CSCS
Director Future Ops | Team GPS
OTO's support for our Alpha5 jump project helped set the HALO world. Thanks to you, we nailed it! The HALO jump was more than just a jump; it showed what we can achieve when we push our limits. And with folks like you backing us, we feel we can do even more."