The Apple Watch is about to get a lot more useful with bands you can swap out to track health symptoms
- The Apple Watch will link wirelessly to a glucose sensor from Dexcom, a medical device maker, Apple announced at WWDC.
- Dexcom stock spiked more than 6% on the news.
- Developers expect swappable watch bands laden with sensors to track health symptoms.
Apple will release a new
Dexcom's stock spiked more than 6% in the wake of the news.
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Health developers say this is a promising sign that Apple will open up new pathways for them to create their own interchangeable watch bands laden with health sensors. Brandon Ballinger,
Previously, Ballinger said, developers building health sensors would need to communicate with the iPhone over Bluetooth — but not with Apple Watch. "So data may have been lost if the phone was out of range," he said — and that's a big problem for health conditions that would benefit from continuous tracking.
Health startups are already building watch bands that use sophisticated sensors to track health conditions.
A startup called AliveCor announced in 2016 that it is developing