The only truly portable VO2 analyzer.

Reliable accuracy anywhere you need it. No additional packs, cables or hoses.

Break through training plateaus.

Go beyond conventional training methods and excel into the new era of personal assessment and physiology to maximize your training results.

Guided metabolic & performance testing.

Our free and immediate performance reports provide you with essential training zone metrics, VO2 Max, Heart Rate and RMR values, plus many others used in training optimization.

VO2 Master testing app on mobile, tablet and Garmin watch

VO2 Master App

Connect your way

Achieve unparalleled portability by accessing live data through both the VO2 Master Manager app and the VO2 Master Garmin Data Field.

Proven in the field.

From professional athletes to testing facilities, VO2 Master provides the insight required to help you reach your performance goals.

World’s most portable, affordable and easy to use metabolic analyzer.

Man training for military, carrying sandbag over his head outdoors, wearing VO2 Master Analyzer and mask

Industry-leading comfort and portability

The non-restrictive, lightweight design provides more than just comfort, it provides the unparalleled freedom to train wherever you are.

VO2 Master Analyzer product shot

Exceptionally priced with lowest per-test cost

Get all the benefits and features of the VO2 Master Analyzer with the lowest per-test cost and no-downtime annual service.

Woman ready to swim outdoors, wearing the VO2 Master analyzer and sunglasses

Preferred by professional athletes

Our user-friendly technology and easy-to-use features, allow you to comfortably wear the VO2 Master Analyzer without the restrictive bulk of backpacks, hoses, and cables.

Risk-free with the best support in the game.

Providing leading-edge quality and exceptional customer satisfaction is essential to us. We want you to be as satisfied with your purchase as we are.

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Worldwide shipping*
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30-day satisfaction guarantee
1-year warranty icon
1-year warranty*
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Dedicated support

*Some restrictions may apply

VO2 Master Analyzer ROI

Increased retention for coaches & gyms.

From sports performance to weight management, the VO2 Master Analyzer will give you the insight needed to develop effective training methods suited to your client’s unique physiology, resulting in improved results and returning clients.

Man wearing VO2 Master merch, showing the testing app on an iPad to a athlete client

Our Mission

Giving athletes a leg up.

Training for the next race or building endurance for that big game, VO2 Master provides a means in understanding physical performance and human physiology with its non-invasive technology used by professional athletes around the world.

Testing a swimmer in the water with the VO2 Master performance analyzer
VO2 Master Analyzer

Reach your performance and fitness goals faster

Get the next level of performance and metabolic assessment in the world's most portable, user-friendly, and affordable analyzer.

Legal Disclaimers

Product is not a medical device; it is not intended to diagnose, treat, cure, or prevent any disease. Consult your physician before starting any dietary or fitness programs.

Payment options through Affirm Canada Holdings Ltd. (“Affirm”). Your rate will be 0–31.99% APR (where available and subject to provincial regulatory limitations). APR offered is based on creditworthiness and subject to an eligibility check. Not all customers will be eligible for 0% APR. Payment options depend on your purchase amount, may vary by merchant, and may not be available in all provinces/territories. Actual payment option terms will be shown at checkout. A down payment (or a payment due today) may be required. Affirm accepts debit cards and PAD as forms of repayment on payment options. Select payment options may be eligible for repayment in the form of credit cards. Please review the terms and conditions of your credit card when using it as a form of repayment. Sample payment options may be: a $800 purchase could be split into 12 monthly payments of $72.21 at 15% APR, or 4 interest-free payments of $200 every 2 weeks. For more information, please see

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