Author: Kenji Nguyen

Why fitness tracker accuracy matters more than ever Fitness trackers are no longer just step counters clipped to a waistband. In 2026, they have evolved into full-blown health dashboards that promise insights into heart health, sleep quality, stress levels and even recovery readiness. With so much personal data involved, it is only natural to wonder how accurate fitness trackers really are. For many people, these numbers influence daily habits. A low sleep score might push you to cancel a workout. A high calorie burn could justify an extra dessert. Some users even adjust training plans or lifestyle choices based on…