Zone 2 Coach
✓ Chrome / Edge on Mac (or desktop) · ✗ not Safari · iPhone · iPad
-- bpm
Not connected
Pitch tells you the direction: high beep = ease up, low beep = push — and vario-style, the further out you drift, the faster & sharper the beeps. Silence = you're in Zone 2. Keeps running when you switch to your work app; for best reliability keep this window visible and your Mac awake.