The wearable band designed for Long Covid
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Take the guesswork out of pacing for Long Covid
For people living with Long Covid, pacing is a way of balancing exertion with rest to help reduce the risk of symptom flare-ups. But finding that balance can be hard.
Visible turns your body’s data into a daily energy budget with insights you can actually use. If you’re heading over budget, it’ll let you know, so you can slow down before symptoms catch up.
“After 6 years of living with Long Covid without conquering Pacing, I finally can see concrete information to plan and adjust what I do through out the day. ”
Lorraine, via Trustpilot
Spot what triggers your Long Covid crashes
If you live with Long Covid, you already know activity affects your energy differently. The same walk can feel manageable one day and draining the next, depending on how you slept or what else you've done.
Visible tracks your heart rate and heart rate variability to show how your body responds, so you can learn your patterns and plan your days with confidence.
Visible has made me aware of my energy spent, and how to slow down when my body tells me. It's a real eye opener. I would recommend Visible to anyone with an energy limiting diseases, like long COVID.
Tracy, via Trustpilot
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Make Visible progress
Long Covid is different for everyone, so it can be hard to make sense of your symptoms. Visible tracks your activity, symptoms, medication and biometrics in one place. See the patterns behind your days and the impact of changes as you make them.
Choose to share your data securely with your clinician through the Clinician Dashboard. A clearer picture of your day-to-day life makes it easier to have better conversations about your care.
“The app has allowed me to see where my energy goes and how adaptations affect it. It has also helped me see if new medicines are working for my heart rate.”
Sherri, via Trustpilot
Support your nervous system
With Long Covid, your body can get stuck in ‘fight or flight’ mode. This is the body’s natural response to stress or danger, preparing it to respond quickly. But when this response stays active for too long, it can take a toll on the body.
Slow, controlled breathing can help shift your body into a restful state. Visible calculates your optimal breathing rate and guides you with real-time feedback.
Breathing exercises a game changer for me. Can't recommend enough to anyone with a health issue where pacing yourself is needed to get better.
Aneaka, via Trustpilot
In collaboration with leading educational and research institutions
Built by a team who understands
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Harry is Co-founder of Visible. An engineer by training, he began his career in Formula 1 and electric vehicles before developing Long Covid in 2020. Despite being seriously unwell, his tests came back normal and his symptoms were attributed to anxiety or deconditioning.
He turned to fitness trackers to better understand his health. But they tracked workouts, not rest, and pushed people to do more, not to pace.
In 2022, he set out to build a wearable designed around the needs of people with complex chronic illness.
His ambition is to transform how we understand and treat these conditions, giving people greater understanding and support for their health while accelerating research towards better treatments and cures.
Oonagh is Brand Lead at Visible. A former professional rower with the British Rowing Team, she was pre-selected for the Tokyo Olympics before developing Long Covid and ME/CFS, which forced her to retire from professional sport.
Her experience led her into research and advocacy. She has spoken widely in the national media about the need for greater scientific understanding and better care, and completed a research fellowship at the University of Oxford studying Long Covid.
At Visible, she brings these experiences together to lead the company’s brand and communications, working to change how complex chronic illness is understood and accelerate progress towards better care and treatments.
Jemma is Social Media Manager at Visible. Before developing Long Covid, she was a secondary school science teacher. Her illness forced her to leave teaching, and she began sharing her experience of chronic illness online.
Today, she is one of the most recognisable voices in the chronic illness community. She has built an audience of hundreds of thousands with her honest, often hilarious take on life with chronic illness.
She brings that same creativity and understanding of chronic illness to Visible, shaping how we reach, connect with and support people living with these conditions.
Ed is Head of Member Support at Visible. Before joining the team, he held a senior leadership role at a London school. After developing Long Covid, he had to leave teaching and became involved in efforts to improve understanding of these poorly understood conditions.
At Visible, he combines his firsthand experience of illness with his background in education to ensure members receive thoughtful, informed support that reflects the realities of living with complex chronic illness.
Janna is Director of Clinical Affairs and Research at Visible. While at college, an Epstein-Barr virus infection left her with severe post-viral fatigue. The experience inspired her to train as a clinical health psychologist to support others living with health challenges.
After earning her PhD, she researched how technology could improve access to evidence-based healthcare for underserved communities. She also established an independent psychology practice supporting people with chronic illness and pain.
At Visible, she works to make evidence-based tools for living with chronic illness more accessible, ensuring they are grounded in science, measuring their impact and helping bring Visible into healthcare settings at little or no cost to patients.
Paul is Head of Data Science at Visible. Before joining the team, he spent 15 years working in technology and data science on social impact projects across education, public health and social care. He holds a PhD in Computer Science.
Paul developed ME/CFS in 2022. After a difficult year trying to understand what was happening to his health, followed by another year of medical tests and appointments, he was finally diagnosed in 2024.
At Visible, he combines his firsthand experience of illness with his technical expertise, turning the data members share into tools they can trust and advancing scientific understanding of these conditions.
David Putrino is Director of the Cohen Center for Recovery from Complex Chronic Illness (CoRE) at Mount Sinai in New York, a leading US center for Long Covid, ME/CFS and related infection-associated chronic illnesses. He leads clinical trials investigating new treatments for these conditions and also serves as Director of Rehabilitation Innovation for the Mount Sinai Health System and Professor at the Icahn School of Medicine.
David is a scientific advisor to Visible and collaborates with the team on research to better understand what drives symptoms and how people living with complex chronic illness can better manage their health.
Boon Lim is a Consultant Cardiologist and Electrophysiologist at Imperial College Healthcare NHS Trust in London, specialising in heart rhythm conditions and autonomic disorders, including fainting (syncope), POTS and Long Covid.
He has published more than 100 peer-reviewed papers, many exploring the relationship between the autonomic nervous system and heart health. He is also the founder of StopFainting.com and author of Keeping Your Heart Healthy, published as part of Penguin’s Life Expert series.
Boon is a scientific advisor to Visible, bringing his expertise in autonomic function and heart rate variability to the development of Visible’s technology and research.
What you get with Visible
Visible combines an award‑winning app with a wearable heart-rate monitor.
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The app
Visible membership gives you access to the app. It translates biometric data gathered from your band into personalized pacing guidance.
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The Visible band
A screenless, waterproof, durable band which tracks your heart rate continuously. Built by a world leader in heart-rate monitoring technology.
Move the science forward, together
Join studies in the app
Volunteer to share anonymized data and contribute to new research
Find clinical trials
Explore clinical trials, matched to your diagnosis and location.
See what we’re learning
Read peer-reviewed research and insights from Visible and our research partners.
Visibility brings change
Frequently asked questions
Pacing is a strategy for balancing activity and rest to reduce the risk of Long Covid symptom flare-ups. It's widely recommended by health organizations including the USA’s Centers for Disease Control and Prevention (CDC) and the UK’s National Institute for Health and Care Excellence (NICE). Instead of pushing through and crashing afterwards, pacing helps you stay within your body ’s capacity consistently.
A wearable can’t directly detect Long Covid symptoms, but it can track signals from your body that help you understand them better.
Visible measures your heart rate and heart rate variability (HRV), which research has found are associated with changes in Long Covid symptoms. Tracking these measurements can help you recognise patterns linked to days when your symptoms are better or worse.
By combining these measurements with your logged symptoms and daily activities, Visible helps you see patterns in how you’re feeling, understand what might be contributing to flare-ups and build a clearer picture of your health over time.
Yes. You don’t need a formal diagnosis to use Visible. Whether you have a confirmed diagnosis or are still trying to understand your symptoms, Visible can help you track how you’re feeling, spot patterns and make more informed decisions about activity and rest.
Visible isn’t a diagnostic tool and it can’t tell you whether you have Long Covid, but it can help you build a clearer picture of your health.
No. Visible is a wearable designed for general information and education, not a medical device. It isn't intended to diagnose or treat Long Covid, and you should always consult a doctor before making medical decisions.