Train in yourZone.
Heart rate zone training, simplified to one science-backed score. Connect any Bluetooth sensor and start measuring what actually improves your fitness.
01 — Dashboard
Your week, at a glance.
See your ZonePoints total build towards your weekly target. Track each day's session, your current streak, and how close you are to your goal, all on the home screen the moment you open the app.
- ✓Weekly ZonePoints gauge with target countdown
- ✓Daily session tiles for each day of the week
- ✓Current streak and longest streak history
- ✓Automatic resting heart rate suggestions

02 — Live Session
Clear zone display, in real time.
See your live heart rate, zone classification, and ZonePoints accumulating every second. The full-session chart shows every zone transition in colour (blue through red) building a picture of your effort.
- ✓Live heart rate and zone classification
- ✓ZonePoints accumulating in real time
- ✓Full-session heart rate chart with zone colours
- ✓Zone time breakdown at a glance

03 — History
Every session, every week.
Scroll back through every week of training. Each day shows the activity you logged, your percentage against target, and whether your Streak Save activated, a complete history of your training and your streaks.
- ✓Full weekly history with per-day sessions
- ✓Weekly target percentage at a glance
- ✓Streak saves clearly marked and explained
- ✓Cross-training log: Gym, Run, Cycle

5 Zones. One Score.
Each zone earns progressively more ZonePoints per minute. Effort is everything.
Just what you need to stay motivated.
Garmin, Polar H10, Wahoo TICKR, Coospo, any Bluetooth Low Energy heart rate monitor works instantly.
Zone-weighted points replace pace, steps, and calories. One number captures your true effort level.
Miss a week? Pay back the points with 20% interest the following week. Habit, not perfection.
Hear zone transitions in real time. Phone in pocket, eyes on the road.
Calories burned for hours post-workout. The full picture of your high-intensity effort.
Auto-sync Garmin, Fitbit, Pixel, Samsung Galaxy. Writes raw HR data back to Health Connect.
Rank your latest session against all-time bests. Full logs, personal notes, CSV export.
Karvonen (HRR) or Max HR zones. Auto-monitors sessions and suggests your HR thresholds.
The research behind the score.
Why heart rate zones work, what the studies actually found, and how to train with them.

Orangetheory has a cliff, Peloton has a cap, Whoop has a logarithm and Apple has a flat rate. A tour of how fitness apps decide what a minute of effort earns you, and why ZonePoints scores on a straight line.
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Why training time starts late even though the work started on time, why staying in the zone gets easier as a session goes on, and why the cool-down gives the missing minutes back.
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Apple, Garmin, Polar, Fitbit, Whoop, Strava and the ACSM all draw the zones differently and score them differently. A tour of the disagreement, and why ZonePoints picked a straight line.
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