The Ultimate Portable VO2 Analyzer

Lab-grade weight management and performance analysis anywhere and anytime.

Ski with Purpose

Learn and adapt to various conditions and environments.

Coach With Ease

The most effective way to test and train athletic efficiency and economy, both in the lab and out.


Improve physical performance and spend more time training.

Run With Ease

Worn entirely on the face to test and train with ease and efficiency - no backpacks hoses, or cables.

Simply Wearable VO2 Analysis

Lab-grade weight management and performance analysis anywhere and anytime.

VO2 Master Analyzer

Performance Testing

VO2 Max + Training Zones

Resting Metabolic Testing (RMR)

No backpacks, cables, or hoses.

Optional, free, live cloud sync

Guided Testing Protocols

Free phone application guides you through customizable testing protocols.

Step Test

Resting Metabolic Test


Moxy 5-1-5 Assessment

"Free" Mode

VO2 Master Cloud (Free)

Live Data from Phone

Remote Coaching, Worldwide

Provide Tiered Access to Team

Retain Backup of Valuable Reports

Automated Reporting

The mobile application produces print-ready assessment reports that can be shared electronically.

VO2 Master Garmin Data Field

Finding a spot that fits your mobile device while training has it’s challenges. Now you can leave your mobile device behind by connecting your favorite Garmin watch to your VO2 Master Analyzer. Download the FREE VO2 Master Data Field today!

Live Data

Record FIT Files

Enhanced Portability 

Empowering Health and Performance at:

Validated by Universities Worldwide

Used by hundreds of researchers in universities from every continent.

"Our lab had wanted a portable metabolic analyzer for a long time but never had the means to purchase one, until we came across VO2 Master. After roughly 75 tests, we're pretty pleased with the VO2 Master Pro's performance."

Alexander HK Montoye, PhD, FACSM

Assistant Professor - Integrative Physiology and Health Science, Alma College

"Measuring Economy with VO2 Master enables me to select the fastest wetsuit for an athlete on an individual basis. My athletes can increase their swimming efficiency without increasing training volume."

Roy Hinnen

Triathlon Coach, Roy Hinnen Personal Coaching

Best lab for VO2max testing I've ever been to. Fresh air for days, actual numbers and real tarmac under the tyres.

Tom Skujiņš

Pro Cyclist, Team Cannondale

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VO2 Master Analyzer

Lab-grade accuracy Performance Testing (VO2 Max + Zones), Resting Metabolic Testing (RMR). Completely wearable - no backpacks or hoses.

iOS and Android App

The free app guides you through customizable performance testing protocols including step test, resting metabolic test, and more

Validation Studies

Validation study of the VO2 Analyzer and exploring the repeatability of measurements of a transmission device for oxygen consumption.