Will the sports records of two mobile phones logged in with the same keep account be synchronized? It can be recorded synchronously, and all the exercises are stored in the cloud of the system. Will not disappear with different devices. Keep can't log in with two mobile phones at the same time. KeepAPP is a sports software. It needs to monitor your physical exercise status in real time, so it doesn't support two mobile phones logging in at the same time. When one mobile phone logs in to keep, and then another mobile phone logs in to keep, it will automatically put the keep account of the first mobile phone on the top, and always keep the login status of one keep account of one device, so as to realize all-round sports data recording for you personally and generate relatively accurate sports monitoring data.