Monitor health
and get alerts
Catch warning signs early


See what’s draining your energy —
and stop it before it drains your day.
Trusted by 17M users.
Reclaim your energy and prevent burnout with science that turns 100+ biomarkers into simple, actionable guidance
Backed by real results
and global trust
Science that feels human
Most apps show you numbers. We show you what those numbers mean for your life today.
Using proprietary algorithms validated through peer-reviewed research, we turn overwhelming data into gorgeous visual insights you instantly understand.
We’re a health intelligence platform built on 10+ years of research, 17 million users, and billions of physiological data points. This is population-scale health intelligence that reveals patterns no one else can see.
Heart rate variability (HRV) is a health biomarker backed by over 25,000 studies.
We collect all your measurements throughout the day, process them with our proprietary algorithm, and show you the trend that actually matters: is your body recovering or declining?
We compare your data against your personal baseline, not generic research norms built on athletes or sick patients. Real life, not lab conditions.
Selected for studies where data quality truly matters
We exist to help people take better care of themselves — through insights drawn from their data.
We measure success in days. The days a person feels like themselves. Days not lost to fatigue, brain fog, or dread. We fight for those days, one person at a time, until 100 million people have more of them.
If you wake up tired. If you don’t feel like yourself anymore. If a doctor told you “your labs are normal”, and you walked out feeling unseen. You’re who we built our app for.
That’s the role we want to play. A smart, scientific, deeply analytical friend who happens to have five PhDs — and who genuinely cares about you. Who looks at your data with you, not at you. Who notices when something is starting to move in the right direction, and tells you so.
Whose only goal is one more good day in your life. And then another.
Our promise is small and concrete. People are the point, money is the tool. Build for years, not quarters. Stay humble in front of human complexity. Don’t blame anyone for being human in a hard year. Build outside the system when the system is broken. Turn science into clarity.
Welltory does not sell personal health data. Health information collected through the platform is used exclusively to provide personalized insights and to contribute to peer-reviewed scientific research — with explicit user consent. Revenue comes from subscription services, not data monetization.
Real stories from people using our app to better understand their bodies
Practical insights from health science, data, and real user stories

July 10, 2026
The Fourth of July is one of America's biggest celebrations, filled with fireworks, barbecues, travel, and late nights. But what did it actually do to people's bodies? To find out, Welltory analyzed anonymous nervous system data from 19,000 users, collected around the Independence Day (2026) weekend.

July 7, 2026
What rheumatoid arthritis is, why it's a whole-body autoimmune disease and not just joint pain, how it's diagnosed with RF and anti-CCP (including seronegative RA), and how it's treated with DMARDs — plus how tracking resting heart rate, HRV, sleep, and activity can add context around flares.

July 6, 2026
What PCOS is, why it happens, and how it's managed — and what body data can and can't tell you.


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