Sorry I don't know any, I wanted to track my sleep but if I wear the watch all night then I wouldn't have time to charge it for the whole day at work the next day...
Sorry I don't know any, I wanted to track my sleep but if I wear the watch all night then I wouldn't have time to charge it for the whole day at work the next day...
I use Sleep++ and had problems getting it to sync. I manually entered the values to Health Kit for the first few days and then it started to sync by itself. It's been working fine for over a month.