What's new

Pick any day to begin your training week — your target, history, and streaks all follow it.

Score at least half your target in a missed week and rescue it the next to keep your streak alive.

Music and podcasts lower automatically while spoken zone announcements play, then return.

See how many calories each session burns, with science-backed estimates and afterburn (EPOC) facts.

Heart rate is saved as you train, so sessions survive battery loss and crashes.

Label each session with an activity type and add your own personal notes.

Import workouts from Fitbit, Garmin, Peloton and more, scored automatically.

Share your full heart rate history with any app that reads spreadsheets.

A dedicated streaks screen with full stats, history, and filtering.

Choose between Heart Rate Reserve (Karvonen) and Heart Rate Max zone models.

Recalculate past sessions when you change your heart rate settings or zones.

Permanently remove sessions you no longer want to keep.

See where any session ranks against your all-time fitness history.

Track your current and longest weekly training streaks against a Zone Points target.

Richer day summaries with average zone speed and better metrics.

Spoken alerts when you move between heart rate zones, hands-free.