Coachi

Coachi is a workout coaching app that uses live heart-rate data to help people manage their effort while running and exercising. Its voice cues tell users when to ease off, pick up or hold steady according to their personal heart-rate zones. Workouts include timed sessions, free runs, custom effort-and-recovery intervals, and Target Run, which turns a chosen distance and finish time into a target pace with progress updates and pacing advice.

Users can connect a compatible Apple Watch, supported Garmin watch through Coachi Companion, or Bluetooth heart-rate sensor; an iPhone must stay nearby for live coaching. Coachi also offers route maps coloured by heart-rate zone, workout history and post-session feedback, including a Coachi Score when enough data is available. Runners can choose among three coaching voices and adjust how coaching audio mixes with music on iPhone. Additional features include saving route images to share. Live AI conversations for discussing effort during or after a workout require an account, Premium, microphone access and internet.