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!
Strava - The #1 app for runners and cyclists
Amazfit GTS WatchFaces - Amazfit GTS WatchFaces is an app that allows you to access new and beautiful watch faces for your smartphones.
Lose it! - Snap a photo of your food to get nutritional facts
Huawei Wear - Huawei Wear is an application that allows you to manage your Huawei smartwatch no matter what model it is, i.e., Huawei Watch, Huawei fit, and Huawei talk band wristbands.
MyFitnessPal - Track the number of calories that you consume each day with MyFitnessPal. The app also lets you create a diet and track the exercise that you complete each day whether it's walking, running or some other type of program.
HitFit Pro - HitFit Pro is an app that allows you to connect your smartwatch to your smartphone and let them work together.