SUPPORT
Answers for choosing and using CORE.
Find help with assessments, compatibility, app plans, care and ownership.
FAQ
The Core Device
How much does CORE weigh?
Approximately 170 g, excluding the Hans Rudolph mask and hygiene barrier—less than most smartphones.
How much does CORE weigh?
Approximately 170 g, excluding the Hans Rudolph mask and hygiene barrier—less than most smartphones.
How does CORE complement my fitness watch?
Fitness watches track workouts and can estimate VO₂max. CORE adds breath measurements to assess fitness and metabolism more accurately, adding context for training and nutrition.
How does CORE complement my fitness watch?
Fitness watches track workouts and can estimate VO₂max. CORE adds breath measurements to assess fitness and metabolism more accurately, adding context for training and nutrition.
How long does a full charge last?
Approximately 3 hours of indoor use—about 9 full assessments in a coach-guided workflow, including client intake questions, instructions and warmup, based on approximate runtime and assessment counts.
How long does a full charge last?
Approximately 3 hours of indoor use—about 9 full assessments in a coach-guided workflow, including client intake questions, instructions and warmup, based on approximate runtime and assessment counts.
Can I use CORE with clients?
Yes. The Commercial Plan is $99/month or $999/year for unlimited client accounts and unlimited assessments, including full client PDF reports. One subscription covers up to two CORE devices. CORE hardware is sold separately.
Can I use CORE with clients?
Yes. The Commercial Plan is $99/month or $999/year for unlimited client accounts and unlimited assessments, including full client PDF reports. One subscription covers up to two CORE devices. CORE hardware is sold separately.
What training do coaches receive?
Coaches receive app instructions and training videos. Live training may be available depending on gym size.
What training do coaches receive?
Coaches receive app instructions and training videos. Live training may be available depending on gym size.
Which platforms does the CORE app support?
The CORE app is designed for iOS, iPadOS and Android. Also, on Apple Watch you can view selected live metrics—including heart rate and VO₂—across four assessment screens: Performance, Fuel, Cardiac and Ventilatory.
Which platforms does the CORE app support?
The CORE app is designed for iOS, iPadOS and Android. Also, on Apple Watch you can view selected live metrics—including heart rate and VO₂—across four assessment screens: Performance, Fuel, Cardiac and Ventilatory.
When will CORE launch and orders ship?
The U.S. launch is expected in December 2026. Orders are expected to ship 4–6 weeks after they are placed.
When will CORE launch and orders ship?
The U.S. launch is expected in December 2026. Orders are expected to ship 4–6 weeks after they are placed.
Where will CORE ship?
Initially, CORE will ship within the United States only. International shipping is planned for later.
Where will CORE ship?
Initially, CORE will ship within the United States only. International shipping is planned for later.
Is U.S. shipping included?
Yes. shipping is include inside the United States.
Is U.S. shipping included?
Yes. shipping is include inside the United States.
Can multiple clients be tested at once?
Yes, an individual commercial account can have multiple devices. The $1,999 two-device package is recommended for commercial gyms. One Commercial Plan subscription covers up to two CORE devices for $99/month or $999/year.
Can multiple clients be tested at once?
Yes, an individual commercial account can have multiple devices. The $1,999 two-device package is recommended for commercial gyms. One Commercial Plan subscription covers up to two CORE devices for $99/month or $999/year.
Can two CORE devices run assessments on one smartphone or tablet?
No. Each CORE needs its own smartphone or tablet for simultaneous assessments.
Can two CORE devices run assessments on one smartphone or tablet?
No. Each CORE needs its own smartphone or tablet for simultaneous assessments.
What warranty and commercial trial are included?
CORE includes a one-year warranty. Commercial customers get a 30-day hardware-only, money-back trial starting upon delivery and pairing the device to the app. PeakVO₂ will pay for return shipping.
What warranty and commercial trial are included?
CORE includes a one-year warranty. Commercial customers get a 30-day hardware-only, money-back trial starting upon delivery and pairing the device to the app. PeakVO₂ will pay for return shipping.
What does the Commercial Plan include?
For $99/month or $999/year, the Commercial Plan includes unlimited client accounts and unlimited assessments, with coverage for up to two CORE devices. Full PDF reports and AI Coach guidance for training and nutrition are included. CORE hardware is sold separately.
What does the Commercial Plan include?
For $99/month or $999/year, the Commercial Plan includes unlimited client accounts and unlimited assessments, with coverage for up to two CORE devices. Full PDF reports and AI Coach guidance for training and nutrition are included. CORE hardware is sold separately.
FAQ
The Assessments
How do I prepare for an assessment?
Connect CORE and your heart-rate monitor to the app, choose an assessment and follow the setup prompts, including room-air calibration. Optional pairing with compatible fitness equipment adds assessment data.
How do I prepare for an assessment?
Connect CORE and your heart-rate monitor to the app, choose an assessment and follow the setup prompts, including room-air calibration. Optional pairing with compatible fitness equipment adds assessment data.
Do I need CORE for every workout?
No. Wear CORE for assessments, HIIT or brief Open Session checks. Train without the mask at other times.
Do I need CORE for every workout?
No. Wear CORE for assessments, HIIT or brief Open Session checks. Train without the mask at other times.
When should I repeat an assessment?
Check the information icon on the app’s Assessments screen for guidance. Timing depends on your goals and training. If you are working with a coach, they can help set a schedule for reassessment.
When should I repeat an assessment?
Check the information icon on the app’s Assessments screen for guidance. Timing depends on your goals and training. If you are working with a coach, they can help set a schedule for reassessment.
How can I use CORE between assessments?
Use HIIT to compare live heart rate and VO₂ with your interval targets, or Open Session to check your response at a chosen pace or power.
How can I use CORE between assessments?
Use HIIT to compare live heart rate and VO₂ with your interval targets, or Open Session to check your response at a chosen pace or power.
What does CORE measure?
CORE uses oxygen (O₂), carbon dioxide (CO₂) and airflow measurements to calculate oxygen use and carbon dioxide production.
What does CORE measure?
CORE uses oxygen (O₂), carbon dioxide (CO₂) and airflow measurements to calculate oxygen use and carbon dioxide production.
How does CORE estimate my calorie needs?
Resting metabolic rate (RMR) estimates energy use at rest. Paid plans combine your RMR assessment, goals and activity to provide daily calorie and macronutrient targets.
How does CORE estimate my calorie needs?
Resting metabolic rate (RMR) estimates energy use at rest. Paid plans combine your RMR assessment, goals and activity to provide daily calorie and macronutrient targets.
Does FatMax predict fat loss?
FatMax is the intensity (zone) with the highest estimated fat-burning rate during a test. It does not, by itself, predict long-term body-fat loss, but knowing your FatMax can help you train with fat loss in mind.
Does FatMax predict fat loss?
FatMax is the intensity (zone) with the highest estimated fat-burning rate during a test. It does not, by itself, predict long-term body-fat loss, but knowing your FatMax can help you train with fat loss in mind.
Does CORE diagnose medical conditions?
CORE is intended for fitness and performance insights. It is not intended to diagnose or treat medical conditions.
Does CORE diagnose medical conditions?
CORE is intended for fitness and performance insights. It is not intended to diagnose or treat medical conditions.
FAQ
App plans & PDF reports
App plans & PDF reports
Do I need a paid app plan?
All six assessments and shareable snapshots are free for personal use. Paid plans add full reports and personalized guidance. Client testing requires the Commercial Plan.
What does Individual Pro include?
Full PDF reports with expanded metrics, AI Coach recommendations, an exercise plan and personalized calorie and macronutrient targets, for $15/month or $150/year.
What is an assessment snapshot?
An immediate summary of your key assessment result, included on every plan. Save it or share it with clients or on social media.
How many CORE devices does one subscription cover?
One Commercial Plan subscription covers up to two CORE devices, whether you use a single device or the two-device package.
Can clients retest on either CORE?
Yes. Both devices share client profiles and assessment history through your commercial workspace, so clients can use either CORE to track progress.
Can my commercial workspace include other coaches?
Yes. The workspace owner can have multiple coaches under their account.
What happens when I remove a client profile?
Removed profiles remain accessible for 90 days, then are permanently deleted. Before deletion, clients are offered a CSV download of their assessment summaries.
When does paid subscription billing begin?
When you activate and select your paid app plan. For the Commercial Plan, choose monthly billing at $99/month or annual billing at $999/year.
Can I chat with AI Coach?
At launch, AI Coach provides written recommendations with your results and plans. It does not support chat or follow-up questions.
Where do I find my training zones?
Your full report shows five training zones and recommended time in each. Paid plans offer one-week or one-month exercise plans. Zones and recommendations do not automatically sync to watches or training platforms at launch.
Can I update my plan without retesting?
Yes. With a paid plan, update your goals or available time to revise the recommended time in each training zone. You or your coach choose the workouts, training days and exercise types.
What does nutrition guidance include?
Paid plans provide calorie, protein, carbohydrate and fat targets based on your RMR assessment, goals and activity. Specific foods and meal plans are not included.
Who decides the final training and nutrition plan?
You or your coach decide the available training time, specific workouts, training days, type of exercise and final nutrition targets.
Do I need a paid app plan?
All six assessments and shareable snapshots are free for personal use. Paid plans add full reports and personalized guidance. Client testing requires the Commercial Plan.
What does Individual Pro include?
Full PDF reports with expanded metrics, AI Coach recommendations, an exercise plan and personalized calorie and macronutrient targets, for $15/month or $150/year.
What is an assessment snapshot?
An immediate summary of your key assessment result, included on every plan. Save it or share it with clients or on social media.
How many CORE devices does one subscription cover?
One Commercial Plan subscription covers up to two CORE devices, whether you use a single device or the two-device package.
Can clients retest on either CORE?
Yes. Both devices share client profiles and assessment history through your commercial workspace, so clients can use either CORE to track progress.
Can my commercial workspace include other coaches?
Yes. The workspace owner can have multiple coaches under their account.
What happens when I remove a client profile?
Removed profiles remain accessible for 90 days, then are permanently deleted. Before deletion, clients are offered a CSV download of their assessment summaries.
When does paid subscription billing begin?
When you activate and select your paid app plan. For the Commercial Plan, choose monthly billing at $99/month or annual billing at $999/year.
Can I chat with AI Coach?
At launch, AI Coach provides written recommendations with your results and plans. It does not support chat or follow-up questions.
Where do I find my training zones?
Your full report shows five training zones and recommended time in each. Paid plans offer one-week or one-month exercise plans. Zones and recommendations do not automatically sync to watches or training platforms at launch.
Can I update my plan without retesting?
Yes. With a paid plan, update your goals or available time to revise the recommended time in each training zone. You or your coach choose the workouts, training days and exercise types.
What does nutrition guidance include?
Paid plans provide calorie, protein, carbohydrate and fat targets based on your RMR assessment, goals and activity. Specific foods and meal plans are not included.
Who decides the final training and nutrition plan?
You or your coach decide the available training time, specific workouts, training days, type of exercise and final nutrition targets.
FAQ
Calibration & Care
When should I run room-air calibration?
Recommended before each assessment. It takes about 15–20 seconds and needs no additional equipment.
When should I run room-air calibration?
Recommended before each assessment. It takes about 15–20 seconds and needs no additional equipment.
How often should I use a calibration syringe?
Weekly or monthly, depending on usage and verification needs.
How often should I use a calibration syringe?
Weekly or monthly, depending on usage and verification needs.
How do I prepare CORE for the next client?
Between-client care;
Hans Rudolph mask- Clean and disinfect following the manufacturer's instructions
Reusable hygiene barrier housing- Clean before the next client
Consumable hygiene barrier membrane- Replace between users (Replacing the membrane takes approximately 30 seconds)
How do I prepare CORE for the next client?
Between-client care;
Hans Rudolph mask- Clean and disinfect following the manufacturer's instructions
Reusable hygiene barrier housing- Clean before the next client
Consumable hygiene barrier membrane- Replace between users (Replacing the membrane takes approximately 30 seconds)
How much do replacement filters cost?
Replacement filters cost $1.50 each: 50 for $75 or 100 for $150. The same pricing applies to individual and commercial owners. The single-device kit includes 50 filters; the two-device package includes 100.
How much do replacement filters cost?
Replacement filters cost $1.50 each: 50 for $75 or 100 for $150. The same pricing applies to individual and commercial owners. The single-device kit includes 50 filters; the two-device package includes 100.
CONTACT US
Get help with CORE.
Ask about device packages, app plans or your order.
Email: support@peakvo2analytics.com or use the form below.
Shipping, warranty and commercial returns.
U.S. shipping
Both CORE hardware packages include U.S. shipping. Orders are expected to ship 4–6 weeks after placement; delivery transit time is additional. International shipping is planned for later.
One-year warranty
CORE includes a one-year warranty.
Commercial 30-day money-back trial
The trial begins once you receive CORE and first connect it to the downloaded app. The refund covers hardware only; paid subscription charges are excluded. PeakVO₂ Analytics pays return shipping.
Early Access
Join the CORE launch list
Expected U.S. launch: December 2026.
Get launch updates and a special launch discount. Discount details announced at launch. No payment required.
Early Access
Join the CORE launch list
Expected U.S. launch: December 2026.
Get launch updates and a special launch discount. Discount details announced at launch. No payment required.
Early Access
Join the CORE launch list
Expected U.S. launch: December 2026.
Get launch updates and a special launch discount. Discount details announced at launch. No payment required.