Limited time. Keep is an app that was launched on February 4, 2015. It is dedicated to providing one-stop sports solutions such as fitness teaching, running, cycling, making friends, fitness and diet guidance, equipment purchase, etc. The keep Mid-Autumn Festival event is limited time, only during the Mid-Autumn Festival. , Keep has opened Keepland, an offline sports space, and launched the KeepKit series of smart hardware products, which were named "Selected Applications of 2015" by the AppStore.