Fitbit has everything I need, the steps, the Heart Rate, it has all of my exercising modes, and it has a fair price. It has a rather simplistic User interface, which I really like to be honest. Highly recommened!
Polar Loop 2 - Polar Loop 2 is a digital activity tracker for those who wants to track their activity 24/7 and are interested in to reach activity goals via smart guidance.
Strava - The #1 app for runners and cyclists
Apple Watch - Apple Watch build with NextJS (ReactJS) & TailwindCSSGitHub repo: https://github.com/VishwaGauravIn/apple-watch
Lose it! - Snap a photo of your food to get nutritional facts
Nokia Steel HR - Wearable activity tracker by Nokia
Workouts by Muscle Booster - Workouts by Muscle Booster is an app that provides you the home as well as gym workout plans.