Athlete training on a treadmill using VO2 Master Analyzer

Accurate, proven, and trusted. Indoors or out

The VO2 Master Analyzer is the world’s most portable metabolic testing system — built for thought leading coaches, researchers, and fitness facilities who demand premium results.

Measure what matters to your clients

The VO2 Master Analyzer adapts to your environment, your protocols, and your clients. Without compromise.

Getting started

Quick setup. More testing. Better insights.

Our free mobile app walks you through the testing process from calibration to protocol selection with a guided interface built for any experience level.

Clip the analyzer to the mask, power on, and pair with the app over Bluetooth. Under two minutes from case to connected.

During the test

What you see. What your subject feels.

Live respiratory data streams to your app the moment the test begins. Monitor in real time — no post-processing required.

Tap start in the app. Live VO2, RMR, heart rate and more stream immediately. The subject wears only the analyzer — no backpack, no wires or hoses.

Metrics & insights

Better data insights. Clearer decisions.

Because testing occurs during natural movement, every metric carries real-world ecological validity optimizing results.

Athlete completing VO2 max testing on a bike using the VO2 Master solution with coach guidance
After the test

The report is ready before they 
catch their breath

The moment you end the assessment, the VO2 Master app generates a summary report and syncs the data to the cloud automatically.

Test ends

Tap stop

Instant report

On-device

Cloud sync

Auto-backup

Share or review

PDF · CSV · Portal

No subscription fees. Free app usage.

Your data. Fully secure. You own it.

Free cloud account included

Free instant summary report

How practitioners use it

Compatible with leading sensors

Heart rate, smart trainers, SMO2, speed, cadence, temperature, via Bluetooth and ANT+