Amazfit GTS WatchFaces - Amazfit GTS WatchFaces is an app that allows you to access new and beautiful watch faces for your smartphones.
Mi Fit - Mi Fit is a band to monitor your health and fitness level on daily basis.
HitFit Pro - HitFit Pro is an app that allows you to connect your smartwatch to your smartphone and let them work together.
Strava - The #1 app for runners and cyclists
Mi Heart rate - Continuous HR and smart alarm
fitbit - The Fitbit mobile app is for people who use Fitbit fitness trackers to keep track of their activity goals, food plans, and other fitness related things. Read more about fitbit.