Overview

• Availability begins today in Canada for eligible Apple Watch models running watchOS 26, with setup handled in the iPhone Health app.
• Supported devices include Apple Watch Series 9, Series 10, Series 11, Ultra 2, and Ultra 3, and the feature is not offered on any Apple Watch SE models.
• The tool analyzes optical heart‑sensor data over rolling 30‑day periods to detect consistent signs of chronic high blood pressure, without calibration or displaying a blood pressure number.
• If flagged, users are prompted to log seven days of cuff measurements in the Health app and to consult a clinician for evaluation.
• Apple cites training data spanning more than 100,000 participants and clinical validation in over 2,000 people, with the Canada launch following earlier rollouts in the U.S. and 150+ regions after regulatory clearance.