PEAKVO2
Train Smarter
Improve Your VO₂ Max
PEAKVO2 helps you build real endurance through structured,
science-backed workouts—no fluff, no guesswork.
Your Apple Watch tells you your VO₂ max.
This app helps you improve it.
What it does
- Take a Cooper Test to estimate your VO₂ max
- Get interval workouts (like Norwegian 4x4, Tabata) based on your level
- Track your progress over time—visually, simply
- Works with Apple Watch + iPhone
How it looks



Try it now
Free during testing phase. Feedback welcome—especially if you're training for your first 5K or want to level up your endurance.
Built for
- Beginner runners training for their first 5K
- Athletes who care about aerobic capacity
- Anyone who's tired of fitness apps that just track, but don't coach