# Calibre Biometrics

> Companion app for wearable tracker, analyzing metabolic and fitness data. (iPhone/iPad app by BreathTaking Tech LLC.)

- Source: https://appshunter.io/ios/app/calibre-biometrics/id6743721886 (this page in markdown: same URL + `.md`)
- Developer: [BreathTaking Tech LLC](https://appshunter.io/developer/1609706657)
- Category: Health & Fitness, Lifestyle
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 15.4 · 116 MB
- Languages: American English
- Released: 2025-05-27
- Data updated: 2026-06-01
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/calibre-biometrics/id6743721886/reviews.md

## What is Calibre Biometrics?

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.

## Key features

- View biometric data
- Record metabolic information
- Analyze VO2 Max
- Monitor Resting Metabolic Rate
- Track FatMax and Calories
- Companion to wearable tracker

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Calibre Premium | $7.99 | per month |


## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/calibre-biometrics/id6743721886/reviews.md

### 4/5 — can’t reach tech support

*2025-10-11*

bought the unit, won’t connect to bluetooth so it’s worthless at this point and no one responds to customer service e mails…

they finally got back to me and now all works great

**Developer response:** Hi,

Thanks for sharing your experience! We’re glad to hear everything is working well now. We always aim to respond promptly and support our users, so please don’t hesitate to reach out to info@calibrebio.com if you ever need assistance in the future.

— The Calibre Biometrics Team

### 1/5 — can’t reach tech support

*2025-10-03*

bought the unit, won’t connect to bluetooth so it’s worthless at this point and no one responds to customer service e mails

## Frequently asked questions about Calibre Biometrics

### What is Calibre used for?

Calibre is used to view, record, and analyze biometric data collected by the Calibre™ wearable breath/metabolic tracker. It helps monitor metrics like VO2 Max, Resting Metabolic Rate, FatMax, and Calories.

### Is Calibre a medical device?

No, Calibre is intended for informational and educational purposes only. It should not be used as a substitute for professional medical advice or devices.

### What devices does Calibre support?

Calibre supports iPhone, iPad, and iPod devices. It is designed to work with the Calibre™ wearable tracker.

### How accurate is Calibre's data?

The Calibre™ wearable device is described as having groundbreaking accuracy for measuring and monitoring key biometric metrics.

### Does Calibre have ads?

No, Calibre does not contain advertisements. The app is free to use and does not display ads.

### What is the age rating for Calibre?

Calibre has an age rating of 4+, making it suitable for a wide range of users interested in health and fitness tracking.

### How often is Calibre updated?

The latest version of Calibre is 1.0.2, and it was last updated on July 15, 2025. Updates typically occur to improve functionality and add new features.

### Can I get Calibre Premium?

Yes, there is a Calibre Premium subscription available for $7.99 per month. This premium tier likely offers enhanced features or deeper analysis beyond the free version.

## Version history (last 3 releases)

### 1.0.2 — 2025-07-15

Updated app name

### 1.0.1 — 2025-06-05

Bug fixes and stability improvements

### 1.0 — 2025-05-27

No release notes.

## Apps similar to Calibre Biometrics

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Train.Red APP](https://appshunter.io/ios/app/trainred-app/id6451237438) | 5.0 (1) | Free | Health & Fitness |
| [Moxy Portal App](https://appshunter.io/ios/app/moxy-portal-app/id1566649779) | 5.0 (3) | Free | Health & Fitness |
| [Frontier X](https://appshunter.io/ios/app/frontier-x/id1483444499) | 4.5 (298) | Free | Health & Fitness |
| [VO2 Master Manager](https://appshunter.io/ios/app/vo2-master-manager/id936519055) | 4.0 (9) | Free | Health & Fitness |
| [ActiveLook Sport Eyewear](https://appshunter.io/ios/app/activelook-sport-eyewear/id1464023773) | 2.2 (21) | Free | Health & Fitness |
| [Calibrex](https://appshunter.io/ios/app/calibrex/id6741951538) | 4.0 (10) | Free | Health & Fitness |

## More apps by BreathTaking Tech LLC

- [Calibre Biometrics - LEGACY](https://appshunter.io/ios/app/calibre-biometrics-legacy/id1609706655)
- [Calibre Firmware Updater](https://appshunter.io/ios/app/calibre-firmware-updater/id6744065384)

All apps by BreathTaking Tech LLC: https://appshunter.io/developer/1609706657

## Related topics

[calibre biometrics](https://appshunter.io/ios/topics/calibre-biometrics) · [calibre companion](https://appshunter.io/ios/topics/calibre-companion)

---

*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-01.*