Tired of constantly glancing at your Apple Watch to check your heart rate? ZonePRO makes zone-based training hands-free and stress-free.

Just launch the app on your Apple Watch and start your workout — ZonePRO will automatically announce your heart rate whenever it changes. No tapping, no swiping, no distractions. Whether you're cruising in Zone 2 or pushing into Zone 4, ZonePRO keeps you informed in real time, so you can stay focused on your movement.

Your detailed workout stats are synced and viewable on your iPhone — perfect for reviewing your performance after you crush your session.