The whole Watch screen changes color with your zone, with a zone bar showing exactly where you are.
Train in the right heart rate zone. Stay there.
ZoneSteady turns your Apple Watch into a heart rate zone coach. Live zones you can read at a glance, cues when you drift out of your target, and trends that show whether your training is working. Every workout feature is free.

Why not just use Apple's Workout app?
Apple's Workout app shows your zone. ZoneSteady coaches you to stay in it, and shows whether your Zone 2 and hybrid training is actually making you fitter.
Heart rate coaching for your workouts
Pick a target zone and ZoneSteady tells you to pick it up, hold steady, or ease off.
Run and station segments with live splits, station names and transition times.
Fitness & Form, readiness, running efficiency, training load focus and personal records.
Workouts and heart rate save to Apple Health.
Free to train. Private by design.
Free. All workout features included. Optional ad-free upgrade.
No account or sign-up. Your workouts and health data stay on your iPhone and in Apple Health.
iPhone with iOS 17 or later. Apple Watch with watchOS 10 or later.