VO2Pro: HIIT Trainer

Raise your VO₂ max with Norwegian 4×4, Tabata, and other HIIT workouts.

Your VO₂ max is the single best predictor of longevity. VO2Pro is designed to raise your VO₂ max, with short, science-backed intervals and live heart-rate coaching.

LIVE HEART-RATE COACHING Train smarter, with real-time Apple Watch heart rate coaching.

PROVEN PROTOCOLS • Norwegian 4×4 — the gold-standard VO₂ max builder • Tabata Sprints — 8 all-out rounds that takes less than 7 minutes • 30/60 — 8 rounds of 30s hard, 60s easy • Custom workouts — build your own intervals

SEE YOUR PROGRESS See a projection of where ~8 weeks of consistent training can take your VO₂ max

PRIVATE BY DESIGN Your health data stays on your devices and in Apple Health. No accounts, no ads.

VO2PRO MAX Unlock the 2-month VO₂ max forecast, custom workouts, and the full protocol library. Payment is charged to your Apple Account at confirmation. Subscriptions auto-renew unless cancelled at least 24 hours before the period ends; manage or cancel in your Apple Account settings.

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