Calibre Biometrics is quietly leading a health tech revolution by letting people see what’s happening inside their bodies in real time, through their breath. The company’s key product, the Calibre Tracker, is a wearable facial device that measures airflow and breath gases to calculate the metabolic rate.
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The technology matches the accuracy of expensive, lab-based metabolic carts, without the cost or complexity. “We have built a device for which you don’t need a lab technician to operate,” says Meirav. “You own it, you wear it, and you get access to the kind of physiological data that was previously only available in elite clinical environments.”
Yet accuracy is only half the story. What makes Calibre stand out is the elegance of its execution. “The biggest hurdle was figuring out how to measure airflow,” he explains. “It’s not a biological problem, it’s a physics problem. And solving it without making the device bulky or cumbersome was a serious challenge. But we did it.”
The result is a sleek, lightweight wearable that fits around the mouth and mates with the underside of the nose, capturing both nasal and oral breath. Gone are the full-face lab masks and tubes. Instead, users get clinical-grade fidelity in a form factor built for daily life.
The Tracker pairs with a newly rebuilt mobile app, developed with a European team specializing in athletic biometrics. The app presents metrics like calorie burn, fuel source, and oxygen consumption, to name a few, in a sleek, digestible format. “We wanted it to serve both elite athletes and average users,” says Meirav.
Beyond usability, Calibre is pushing the tech envelope. The device captures 50 data points per second, just from breath. Soon, that data will be processed by AI. “We are building deep-learning neural networks into our analytics,” Meirav reveals. “It’s not just smart, it’s getting smarter.”
Calibre is already integrating data from other devices such as exercise equipment and wearables that measure heart rate. Future versions will integrate data through more wearable devices. “People want a unified view of their body. We are working toward that,” says Meirav. “In partnering with these companies, we want to be able to provide a holistic dashboard of your health.”
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Even hardware design gets attention. The Tracker covers only the mouth and the base of the nose. It’s light, relatively discreet, and more compatible with frequent use. “It’s a different approach from traditional breath masks,” Meirav says. “More wearable, more practical.”
From elite sports to chronic care, Calibre sees wide applications ahead. Medical partnerships are already forming. “We’re in early conversations with physicians. They’re excited to explore what this could mean for patient care.”
Ultimately, Calibre Biometrics aims not just to launch a product but to create a new category, one where breath becomes a primary health metric. “There’s a universe of information in your breath,” Meirav emphasizes. “We just didn’t have a way to read it until now.”
For users, the pitch is simple: measure your metabolism with the same fidelity once reserved for elite labs, anytime, anywhere, from your phone. “This is a device you can use while walking, working, or training,” Meirav says. “It’s not just tech. It’s a new way of understanding your body.”
As the digital health space becomes increasingly crowded, Calibre Biometrics is quietly carving out a lane all its own, with precision, autonomy, and radical usability in the palm of your hand.
M&F and editorial staff were not involved in the creation of this content.
