Lefun Health - Lefun Health is one of the best health companion app featured with a pedometer and heart monitor that continually calculates your heartbeat and total steps throughout the day.
WatchMaker Watch Face - With WatchMaker you get access to 1000's of stunning watchfaces and a designer to build your own.
Strava - The #1 app for runners and cyclists
Willow - Willow is a lightweight logging library written in Swift.
Amazfit GTS WatchFaces - Amazfit GTS WatchFaces is an app that allows you to access new and beautiful watch faces for your smartphones.
Huawfaces - Huawfaces provides a large number of WatchFaces for installation Huawei Watch GT, GT2, GT2E, and GT2 Pro.