HeartVector
Train in your zone · Adjust on the fly

Real-time heart-rate-zone training that turns your Bluetooth strap into a live coach — so you train at the right intensity, every minute.

How it works View the app

Most apps tell you how hard you trained after you finish. HeartVector shows you which heart-rate zone you're in right now — so you can ease off or push harder on the fly and make every session count.

Designed for clarity & impact

Everything you need to read your effort at a glance.

Radar Ring

Five HR zones around one clear dial.

Heart Core

Live BPM, smoothed and easy to read.

Vector Cue

Adjust your effort on the fly.

Zone Track

Time-in-zone so you train smarter.

How it works

From strap to insight in three steps.

1

Pair your strap

Connect any Bluetooth LE heart-rate monitor (Coospo, Polar, Garmin and more).

2

Start a session

Your live BPM and current zone appear instantly, with time-in-zone tracked as you go.

3

Train in your zone

See the moment you drift out of target and adjust on the fly — no guesswork.

Five training zones

Color-coded so you always know where you stand.

Z1 · Recovery
50–60% max HR
Z2 · Light
60–70% max HR
Z3 · Aerobic
70–80% max HR
Z4 · Threshold
80–90% max HR
Z5 · Max
90–100% max HR