Future Apple Watch could gain sweat-sampling hydration tracker
Affiliate links on Android Authority may earn us a commission.Learn more. Future Apple Watch could gain sweat-sampling hydration tracker August 01, 2025 Hydration tracking is a standard feature on several smartwatches allowing users to keep track of their fluid intake. But a new patent by Apple suggests that theApple Watchmay soon monitor a wearer’s hydration levels automatically. Spotted byPatently Apple(h/tGizmoChina), thepatentdetails a non-invasive hydration tracking sensor that’ll monitor the electrolytes in a wearer’s perspiration using electrodes....