Azume Introduces Health Sensor for Classic Wristwatches

Azume, a Munich-based startup developing health tracking for people who don’t want to wear a smartwatch, has introduced Azume One, a display-free health sensor for classic wristwatches. The sensor, which sits on the back of the watch, records data around the clock. Azume launched a crowdfunding campaign for Azume One at the end of October, and it quickly reached its funding goal within an hour, with backers spread across Europe and North America. Many early supporters already own a quality watch they don’t want to replace with a health tracker or smartwatch, according to the company.

The sensor is a flat disc 30 millimeters in diameter and 2.8 millimeters thick. It attaches to the caseback of most watches using nano-suction technology and is not visible from the outside when worn. The sensor has no display and does not show notifications. Measurements are taken directly on the skin. For use without a watch, for example during sport, the sensor can be inserted into the FitBand, a strap Azume designed specifically for it.

The sensor captures more than 40 health and activity metrics, which are analyzed in the Azume app for iOS and Android. Each morning, the app summarizes this data in three scores for recovery, sleep, and overall wellbeing. The app also offers workout tracking with GPS routes, a comparison of skin temperature against the user’s personal baseline, and Azume Age, a value that estimates a physical age from the user’s measurements. Data can also be synced to Apple Health on iOS and Health Connect on Android. The app does not require a subscription, and all features are included with the sensor.

Users can connect with friends in the app, compare activity in a ranking, follow each other’s workouts in a feed, and set up joint challenges. Sharing is optional, and users decide which data their friends can see. Data protection is a priority for Azume, which stores user data on servers within the European Union and uses no tracking or advertising services in its app. Users can export their data at any time or delete their account along with all stored data.

Azume One is not a medical device and is not intended to diagnose or treat any disease. The sensor is available for pre-order at azume.com. Azume, founded by a team of four co-founders from Munich, is developing health tracking for people who don’t want to wear a smartwatch. The Azume app is available on the App Store and Google Play.