Calibre Biometrics
BREATHTAKING TECH LLC
The companion app to the Calibre™ wearable breath/metabolic tracker allows you to view, record and analyze the rich biometric information obtained by the Calibre device. A device with groundbreaking accuracy for measuring and monitoring VO2 Max, Resting Metabolic Rate, FatMax, Calories and more with a lightweight, portable device that is simple and easy to use.
In-app purchases in United States
Items currently visible on Apple’s public App Store page. This may not be the complete App Store Connect catalog.
Source: Apple public App Store page · Publicly visible items only · Checked Aug 6, 2026
About Calibre BiometricsStorefront description supplied by Apple.
The companion app to the Calibre™ wearable breath/metabolic tracker allows you to view, record and analyze the rich biometric information obtained by the Calibre device. A device with groundbreaking accuracy for measuring and monitoring VO2 Max, Resting Metabolic Rate, FatMax, Calories and more with a lightweight, portable device that is simple and easy to use.
Disclaimer
Calibre is intended for informational and educational purposes only and should not be used as a substitute for professional medical advice or devices.
Frequently asked questions
Quick answers based on the latest observed App Store data.
How much does Calibre Biometrics cost in United States?
The latest observed download price is Free. Open the official App Store link to confirm the current checkout price.
Does Calibre Biometrics have in-app purchases?
Apple's public page currently shows 1 purchase items in this storefront. The public list may be incomplete.