No subscription required. All features including training analysis, sleep tracking, heart rate monitoring, and post-workout metrics are completely free through the Zepp App. Unlike other fitness platforms, you get full access to your data without any monthly fees.

Absolutely. The Helio Strap syncs seamlessly with Strava, TrainingPeaks (via Terra), adidas Running, komoot, Google Fit, and Apple Health. All your workout data flows automatically into whichever platform you use for training, so everything stays in one place.

The 232 mAh battery lasts up to 10 days with typical use (24/7 heart rate monitoring, sleep tracking, and 3 GPS-connected workouts per week). It charges via the included magnetic charging head—just connect any USB-C cable to charge in under 2 hours.