🏷️ About: Train in your heart rate zones using your Bluetooth chest strap — no smartwatch required. Strap Zone connects directly to your heart rate monitor and shows real-time zone data on your iPhone.
Strap Zone connects directly to your heart rate monitor and shows real-time zone data on your iPhone.
Review past sessions with detailed zone breakdowns and heart rate data.
Perfect for zone 2 training, fat burning workouts, HIIT, or any heart rate-based training.
Train in your heart rate zones using your Bluetooth chest strap — no smartwatch required.
Stay in your target zone for aerobic base building, fat burning, and longevity training.
