As far as I can tell, data is stored in the cloud. The Android app does talk directly to the sensor devices. I don't think there's a non-cloud option. They hav

As far as I can tell, data is stored in the cloud. The Android app does talk directly to the sensor devices. I don't think there's a non-cloud option. They have a chat on their homepage though, if you wanted to find out more than I know :)