72BPM
Know your peak.
An alert the moment your heart rate goes above your line.
An alert the moment your heart rate goes above your line.
Heart rate alerts
Works in your pocket
Put your iPhone away. Heartpeak tells you.
Supported bands vibrate with every alert, so you don’t have to look.
Requires a Bluetooth heart rate sensor.
Set your line
Anywhere from 40 to 220 BPM.
Live Activity & Dynamic Island
Change your alert with − and + without unlocking.
Activity Log
Running, a coffee, a drive. 23 activities to start with.
Pick an activity and it’s on the log, next to your heart rate.
Hold +, say what you’re doing. Understood on your iPhone.
Voice and icon suggestions need iOS 26 and Apple Intelligence.
Name an activity and Apple Intelligence suggests an icon.
Walking milestones
Milestone alerts from Apple Health and your iPhone.
Private by design
No account. No ads. No servers. Your heart rate stays on your iPhone.