New

The TrueZone app is now available

Supercharge your wearable
with next-gen heart rate analytics.

Add game-changing health & fitness features to the wearable you already own.

Driftline Analytics
Driftline Analytics
Driftline Analytics

Essential insights

Metrics that matter.

Actionable insights and tailored metrics that you can rely on to optimize your workouts, track your progress and reach your goals.

Endurance

The first true measure of aerobic endurance on a scale of 0 - 100%.

Exercise thresholds

All metabolic thresholds, including VT1, VT2, VO2max and maximum speed.

Heart rate zones

Personalized heart rate zones based on threshold alignment.

Runscore

A universal fitness metric adjusted for age, gender, and distance.

Metabolism

Resting metabolic rate, calorie expenditure and fat metabolism.

Race time predictions

Estimated best effort over any distance, ranging from 100 meters to the marathon.

Our mission

Unlocking a great untapped potential. Your metabolic fitness is encoded in your heart rate. We have discovered the key to unlock it and we're bringing it to wearables everywhere.

Accessible to everyone

Lab-grade analytics without the lab.

Traditional, high-level fitness testing requires expensive lab equipment and leaves you lying on the floor, gasping for air. With Driftline, you get even more accurate results, requiring only minimal effort and a regular fitness tracker.

Tested & verified

Results you can trust.

Built for both personal and professional needs, our analytics provide precise and dependable insights you can count on. To learn more, check out our validation studies.

Lab-Tested Reliability

Our method has been validated in lab settings, ensuring reliable results.

High-Grade Precision

Experience gold-standard accuracy without the need for costly equipment.

Patented Technology

Our method is patented, unique and unmatched anywhere else.

Big insights, small package

Fast, lightweight and powerful. Real-time insights, post-workout metrics and long-term trends available on device and in the cloud.

The TrueZone app

The future of fitness testing.

The TrueZone app offers easy-to-perform testing and game-changing metrics for groups and individuals, requiring only a heart rate monitor and 20 minutes of your time.

TrueZone mobile app and web app

tl;dr

Advanced health & fitness metrics through heart rate analytics.

Driftline just released it's first publicly available app, TrueZone, which is available for free on the App Store and Google Play. Stay tuned for more releases and updates.