Fitbit Blaze - Fitbit Blaze is a smartwatch that includes both a heart rate monitor and a fitness activity tracker. It comes with a color touchscreen, and you can change both the watch's strap and frame. Read more about Fitbit Blaze.
iFit – Workouts at Home - iFit – Workouts at Home app allows users to access an extensive collection of thousands of home workouts with advice and motivation from world-class fitness trainers.
Apple Watch Series 3 - Apple's newest internet-connected smartwatch
Strava - The #1 app for runners and cyclists
Apple Watch - Apple Watch build with NextJS (ReactJS) & TailwindCSSGitHub repo: https://github.com/VishwaGauravIn/apple-watch
BitGym - Virtual Cardio Tours. No heart rate sensor of special hardware required.