Activity Trackers

By MacRumors Staff on June 5, 2025

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Activity Trackers How Tos

How to Calibrate Apple Watch for a More Accurate Offline Workout

Monday May 25, 2015 8:14 am PDT by Lory Gil

Apple Watch tracks your movement and heart rate. It uses that information in conjunction with your gender, height, age, and weight to estimate how many calories you burn during daily movement, including light strolls and dedicated workouts. However, Apple Watch needs proper calibration to get the most accurate reading of your movement and heart rate, which is used to help determine distance...

Activity Trackers Articles

Apple Watch Gets One Crucial Fitness Metric Wrong, Researchers Say

Thursday June 5, 2025 7:35 am PDT by Hartley Charlton

The Apple Watch provides highly accurate measurements of heart rate and step count, but their estimates of calories burned can be significantly off, according to a new peer-reviewed meta-analysis conducted by researchers at the University of Mississippi (via CNET). The study reviewed 56 previously published studies evaluating the Apple Watch's performance against gold-standard clinical tools ...

Viawear to Launch Fashion-Oriented 'Tyia' Wearable Aimed at Women

Monday January 12, 2015 12:30 pm PST by Juli Clover

Shown off at CES for the first time this year, Viawear's Tyia is a wearable device that aims to bridge the gap between technology and fashion, much like the Apple Watch. Designed for women, the Tyia is a bracelet that focuses on delivering fully customizable notifications to let users keep tabs on messages, email, and social media accounts even when their iPhones are buried in purses and pockets. ...

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