CardioEngineAvailable nowFind your pace.
Stay in your zone.
Heart-rate zone training with live guidance for iPhone and Apple Watch. Connect your watch or Bluetooth heart-rate monitor and follow your effort as you move.
View on the App StorePersonalized zones
Use heart-rate zones informed by your training data and threshold estimates.
Guidance as you go
See your heart rate during a workout and get guidance when you move outside your target zone.
Your training over time
Review session history, track weekly cardio volume, and follow your progress.
CardioEngine was my first published app. It remains part of the Feeling Mindful Labs family as I build GoodParts.