android tracker

Support varies by model. Some trackers list Android 5.0 or higher, others require Android 11 (or newer), and a few only state general Android compatibility without a specific minimum. Always check the individual product specifications or packaging for the exact Android version requirement.

Ratings vary by model. Many are listed as simply water-resistant; others specify higher protection such as IP68 or 5 ATM. A few kid-focused models are described as swim-friendly. Verify the exact IP/ATM rating on the product page to confirm suitability for swimming or prolonged water exposure.

Common metrics include heart rate, steps, calories burned, distance, and sleep (duration/quality/stages). Some models also report SpO2, VO2 Max, ECG/heart rhythm, active minutes, and other exercise-specific metrics.

Typical connectivity options include Bluetooth (various versions) for phone pairing, USB‑C for charging/connection on some models, LTE/4G for cellular-enabled kid watches, and wireless charging on select devices.

Both screenless trackers and devices with displays are available. Among the listed models, screen sizes range from about 0.56 inches up to about 2.01 inches. Choose screenless devices for a simpler tracker or a larger display if you want on-device stats.

Several devices track sleep duration and provide sleep-stage data; some also calculate sleep scores or use advanced sleep algorithms. Additional sleep insights are often available through the companion app and, in some cases, via premium app features or subscriptions.