LLume vs Calibre Biometrics
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
LLume
This app allows athletes and coaches to record respiratory training sessions using a connected sensor. Users can monitor breathing performance, review detailed workout data, and track progress over time. Manage all training settings within a single, integrated platform.
- Capture respiratory training sessions
- Review workout data
- Track progress over time
- Monitor breathing performance
- Manage training settings
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LLume helps athletes and coaches capture respiratory training sessions, review workout data, and track progress over time. Connect your LLume sensor to record sessions, monitor breathing performance, review reports, and manage training settings from one place.
Calibre Biometrics
This app pairs with a wearable device to track and analyze key metabolic and performance metrics like VO2 Max and resting metabolic rate. It provides detailed insights into your body's energy expenditure and fat burning zones. Designed for informational and educational use, it complements professional health guidance.
- View biometric data
- Record metabolic information
- Analyze VO2 Max
- Monitor Resting Metabolic Rate
- Track FatMax and Calories
- Companion to wearable tracker
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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.
Screenshots
Verdict
The clearest difference is rating: LLume at 5.0 against Calibre Biometrics's 4.5. LLume also leads on in-app purchases (none vs 1) and update cadence (weekly vs every 4 weeks). On price, ratings volume, ads and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Calibre Biometrics sells 1 in-app purchase, starting at $7.99 per month. LLume asks for nothing beyond the download.
LLume holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 4 and 2 respectively.
LLume ships an update weekly, Calibre Biometrics every 4 weeks. The most recent releases landed on November 7, 2026 and November 4, 2026 respectively.
| Parameter | LLume | Calibre Biometrics |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | 4.5 (2 ratings) |
| Positive reviews | — | 50.0% of reviews |
| Number of ratings | 4 — better | 2 |
| Update frequency | Weekly — better | Every 4 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | Free |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Requires iOS | 16.4 | 15.4 — better |
| Further details — not scored | ||
| Size | 82 MB | 116 MB |
| Age rating | 4+ | 4+ |
| Developer | Organic Robotics Corporation | BreathTaking Tech LLC |
Customer experience
LLume
Calibre Biometrics
In-app purchases
LLume
No in-app purchases
Calibre Biometrics
- Calibre Premium$7.991 Month
