The Biometric Engine

The wearable
designed for
lasting progress.

i bio combines 24/7 health insights with personalized coaching to help you improve how you sleep, train, and feel — starting day one.

1-Month Free Trial
PHD-Backed Science
500K+ Members
i bio Band
Live · Today
Synced
0%
Recovery

82

Sleep

12.4

Strain

HRV

58 ms

Stress

Low

500K+
Active Members
8B+
Hours Monitored
93%
See Results in 30 Days
47+
PhD Researchers

Quantify how your
body is feeling.

Your daily recovery score synthesizes HRV, resting heart rate, sleep performance, and respiratory rate into one actionable number — so you always know how hard to push.

Learn more about Recovery
Recovery dashboard
Sleep tracking dashboard

Optimize your sleep.

Not just how long you sleep — but how well. i bio tracks every stage and gives you a personal sleep coach that tells you exactly when to go to bed.

Learn more about Sleep

Measure the impact
of every step and rep.

i bio's cardiovascular strain score quantifies every physical effort on a 0–21 scale. Know when to push and when to hold back.

Learn more about Strain
Strain tracking
Heart health monitoring

Stay connected to
your heart health.

Medical-grade ECG. Irregular heart rhythm detection. Real-time blood pressure insights. Clinical-grade cardiac monitoring — on your wrist, available 24/7.

Learn more about Heart Health

Extend your prime
for years to come.

Healthspan goes beyond fitness — it tracks your biological age, Pace of Aging, and longevity factors so you can actually slow down the clock. Know your i bio Age.

Learn more about Healthspan
Healthspan — biological age tracking

The Device

Built to be
worn 24/7.

A screen-free design means no pings, distractions, or unnecessary bells and whistles. Just pure, continuous biometric capture.

Zero distractionsNo screen. No notifications.
14+ day batteryNever stop wearing it to charge.
7 sensors always-onHR, HRV, SpO2, Temp, ECG & more.
Waterproof 50mSleep, swim, shower, train.
Full device specs
i bio Band — LeatherLuxe

LEATHERLUXE EDITION

i bio Core

i bio Core

i bio Pro

i bio Pro

i bio Elite

i bio Elite

Sport FlexSuperKnitLeatherLuxeCore KnitCloud Knit

Choose a Membership

Memberships
made for you.

Each membership includes a device, a charger, and a unique set of features — choose the one that best fits you.

i bio Core

i bio Core

Professional-grade fitness insights.

$79/mo
Recovery, Sleep & Strain
HRV + Resting HR
Sleep Stage Tracking
Daily Coaching
MOST POPULAR
i bio Pro

i bio Pro

Advanced health, fitness & longevity.

$149/mo
Everything in Core
ECG + Irregular Heart Rhythm
Blood Pressure Insights
VO2 Max & HR Zones
Stress Monitoring
ULTIMATE
i bio Elite

i bio Elite

The ultimate biometric membership.

$249/mo
Everything in Pro
Advanced Labs (65+ biomarkers)
Healthspan Score
i fit Priority Matching
Lifetime Warranty

No other wearable lets you try before you buy

Start free. Choose later.

1-month free trial. No commitment. Cancel anytime.

Backed by PHDs, Worn by Champions

Whether you're #1 in the world
or on day 1 of your journey.

Cristiano Ronaldo

Cristiano Ronaldo

Football Legend & Global Icon

Aryna Sabalenka

Aryna Sabalenka

World No. 1 Tennis Player

Sha'Carri Richardson

Sha'Carri Richardson

Track and Field Star

Patrick Mahomes

Patrick Mahomes

All-Star Quarterback

Nelly Korda

Nelly Korda

Golf Icon & Champion

Virgil van Dijk

Virgil van Dijk

Global Football Star

Stef Williams

Stef Williams

Entrepreneur & Content Creator

Diplo

Diplo

World-Renown DJ & Producer

Advanced Labs · Elite

Put your health
into focus.

Analyze 65+ biomarkers alongside your 24/7 i bio data. Get clinician-reviewed results with next steps — all in one place.

Analyze 65+ biomarkers alongside your 24/7 i bio data
Clinician-reviewed results with actionable next steps
See connections between lab results and daily habits
Encrypted and completely private
Advanced Labs — blood biomarkers

i bio × i fit

Your data. Your trainer.
One ecosystem.

Connect i bio to i fit and your coach sees your biometrics in real-time. Low recovery? Your session is adjusted before you wake up.

Start Today

Your body
has answers.

1-month free trial. No commitment. Cancel anytime.