Terrible.
This app is functionally a nightmare to use. The UI is very unintuitive and getting started logging your watch is extremely convoluted as the app does not direct you. Not to mention the “account” setup that is required. The fact that I need a useless “account” to use an app that should retain its basic functionality without internet access is egregious. Having to type out both my password and email every single time I reopen the app to either get a login error or be told something went wrong is also unbelievably annoying. Not to mention every single one of the buttons which should bring up help or forum sites (I am guessing) have “load errors”. This app has clearly been cobbled together by its developer and left to rot with no updates or check ins on its functionality. Two stars because it seems like the basic functionality they advertise is there, but is much more of a nightmare to get to and use than it should be.