Apple Watch fitness companion

HeartBetter

Live heart-rate range cues that help you know when to ease off, stay steady, or push more during a workout.

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No accounts No tracking Health data stays on Apple Watch and Apple Health
HeartBetter activity screen showing 168 BPM, range guidance, heart-rate ranges, and session controls.

Built for training

Simple cues while the workout is moving.

Choose a workout type, set your range, and keep your focus on the session instead of constantly checking numbers.

Low Know when you are below the selected range.
Target Stay aware when your heart rate is in range.
High Get a clear cue when it is time to cool down.

Workout session

Uses HealthKit workout sessions for live Apple Watch heart-rate monitoring during exercise.

Quiet controls

Vibration cues, repeated feedback, session time, and Save to Health can be controlled in Setup.

Fitness-only

HeartBetter is for fitness guidance only. It is not medical advice, diagnosis, or emergency monitoring.

Method and sources

Custom thresholds, clearly explained.

HeartBetter compares Apple Watch heart-rate samples with BPM thresholds selected by the user. Starting values are examples, not personalized or medical ranges.

Measurement accuracy

Apple's guidance on fit, movement, environment, and heart-rate sensor accuracy.

Apple Support

Fitness guidance only

Ranges vary with age, fitness, health conditions, and medication. Consult a healthcare professional before making medical decisions.