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!
Sleep Watch - AI-powered, personalized insights about your sleep.
Strava - The #1 app for runners and cyclists
Sleep as Android - Common alarm clocks ignore your sleep cycles, they wake you on schedule no matter your are currently in your deep sleep. Waking up from deep sleep is unpleasant, it makes you tired and it may negatively affect your productivity during the whole day.
Lose it! - Snap a photo of your food to get nutritional facts
Running by Gyroscope - Collect and share your favorite runs — with maps, photos, calories, and other stats.
Workouts by Muscle Booster - Workouts by Muscle Booster is an app that provides you the home as well as gym workout plans.