When does the bottle sync with the app? The bottle syncs anytime that the app is connected with the bottle and there is new data and you are within range. The app also connects to the bottle whenever you open the app and are within range. Have more questions? Submit a request 2 Comments Date Votes 0 aajr January 09, 2018 16:42 It’s not consistent with its connection. 0 Martyn Straw April 25, 2018 14:46 In my experience the bottle will not synch after it has been separated from the iPhone and will not record the amount of water I drank while the iPhone and bottle were separated - the sensor does not store data Please sign in to leave a comment.