Building the health operating system of the future.

Join us.Private, personal health intelligence from the signals you already have.

How equ works

From scattered signals to clear next steps

equ shows what is changing, why the pattern matters, and what to try next.

  • Sleep
  • Mood
  • Meals
  • Movement
  • Social
  • Energy
  • Symptoms
  • Labs

Connect

Bring your signals together

Wearables, labs, symptoms, medications, meals, mood, sleep, movement, and notes can all help. You can begin with only some of them.

Reason

See the pattern

equ connects the relationships across signals and shows the drivers, timing, and confidence behind each insight.

Act

Choose the next step

Guidance turns the explanation into actions you can review, follow, and refine.

The result: less dashboard guessing, more timely guidance, even with incomplete data.

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Core capabilities

Capabilities that matter for real health decisions

The product focuses on the moments where people need clarity: which health patterns are forming, why the patterns matter, and what action to take next.

Unified health context

Wearables, labs, symptoms, medications, meals, sleep, mood, movement, and notes can form one working health context when available.

Adaptive recommendations

Actions change as biology, behavior, goals, constraints, and confidence in the pattern change.

Early pattern detection

equ helps surface meaningful shifts before they become obvious, so you can respond earlier.

Accountable guidance

Recommendations are explainable, privacy-first, and grounded in evidence users can review.

Research foundation

equ is built on research, not guesswork

These four papers show the scientific foundation behind equ's explainable, multi-signal health intelligence, developed with collaborators from leading institutions including MIT, Harvard, and the University of Cambridge.

Swipe or scroll to explore four selected papers.

Selected paper

Comorbid anxiety predicts lower odds of MDD improvement in a trial of smartphone-delivered interventions

Journal of Affective Disorders

Authors

Morgan B. Talbot, Jessica M. Lipschitz, Omar Costilla-Reyes

How this shaped equ

Shows why equ models interacting signals instead of treating mood, anxiety, and behavior as isolated variables.

Selected paper

Symbolic Regression with a Learned Concept Library

Advances in Neural Information Processing Systems

Authors

Arya Grayeli, Atharva Sehgal, Omar Costilla-Reyes, Miles Cranmer, Swarat Chaudhuri

How this shaped equ

Informs equ's neurosymbolic foundation: structured, reusable concepts that make reasoning easier to inspect.

Selected paper

Individual Behavioral Insights in Schizophrenia: A Network Analysis and Mobile Sensing Approach

Pervasive Computing Technologies for Healthcare

Authors

Andy Davies, Eiko I. Fried, Omar Costilla-Reyes, Hane Aung

How this shaped equ

Supports equ's connected view of daily behavior, where mobile signals become useful when modeled jointly.

Selected paper

Estimation of Total Body Fat Using Symbolic Regression and Evolutionary Algorithms

EvoApplications

Authors

José Manuel Muñoz, Odin Morón-García, Omar Costilla-Reyes, José Ignacio Hidalgo

How this shaped equ

Shows that health models can stay compact and interpretable while remaining useful for real decisions.

Latest research and insights

We publish what we learn. Start with the review behind equ's approach to explainable health AI.

Neurosymbolic AI in Healthcare: From Foundations to Clinical Translation

By Dr. Omar Costilla Reyes · October 19, 2025

Neurosymbolic AI integrates neural networks with symbolic reasoning to create systems that are high-performing and clinically auditable. This review examines current paradigms, clinical applications, and a path toward safe clinical translation.

Built on world-class research

Equ Healthcare combines machine learning, neurosymbolic reasoning, and behavioral science to deliver health guidance you can understand and evaluate.

Learn how equ works

Common questions

Good questions, plain answers

What equ is, where to start, and why it is not another tracker.

What is equ?

equ is a private health intelligence platform, the first piece of a health operating system. It connects the signals you already have, such as sleep, mood, meals, movement, symptoms, labs, and wearable data, into one picture, explains which patterns are forming, and suggests what to try next.

What is a health operating system?

A health operating system is one private layer that connects your health signals, reasons across them, and keeps the guidance consistent as your context changes, the way an operating system coordinates the apps on a device. equ is building that layer, starting with everyday signals.

See how equ works
Which health signals can I start with?

Start with what you have today. A wearable, a lab result, a symptom note, or a mood log can begin the picture. Medications, meals, sleep, and movement add context, and guidance becomes more specific as more arrives.

Do I need a wearable to use equ?

A wearable helps, and it is one signal among many. Notes, meals, mood, symptoms, and lab results can begin the picture, and a wearable adds detail when you have one.

How is equ different from a health tracker?

A tracker tells you what happened. equ asks why. It reasons across signals to show how they relate, why a pattern matters, and which next step is most useful.

How is equ different from a general AI chatbot?

A chatbot waits for a prompt and answers in general terms. equ is built for health context: it models you as an individual, reasons across relationships, and shows the inputs and reasoning behind each recommendation.

What does explainable health AI mean?

Explainable means you can see why. Each insight shows the signals involved, how they relate, and how confident the pattern is, so you can evaluate the guidance instead of taking a score on faith.

What is neurosymbolic AI?

Neurosymbolic AI combines neural networks, which learn patterns from data, with symbolic reasoning, which works with explicit concepts and rules. The combination lets equ find patterns and still show the reasoning behind them.

Read the research article
What research is equ built on?

Research, not guesswork. equ builds on published work in machine learning, neurosymbolic reasoning, and behavioral science, written with collaborators from institutions including MIT, Harvard, and the University of Cambridge. Four selected papers are listed on this page.

See the selected papers
Who is equ for?

equ is for people who already collect health signals and want to understand them, and for the clinicians, researchers, and partners who work with them.

Work with equ
How do I join the equ beta?

Enter your email in the form on this page and confirm it once. That is the whole process. For a demo, a partnership, or an investor conversation, use the contact form.

Have another question?

Ask us through the contact form

Explore more and join the equ beta

See the product demo, the comparison with typical trackers, and the team behind equ. Confirm your email once to continue.

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