1. When I was using the Wearfit I could understand the language because it was in English.Use it all the time as i have health issues and it helps me.Keeps telling you app has stopped not good.Doesn't even want to start.
2. I could give 5 stars but I could not understand what it has written in Chinese language.
3. If u change the language.
4. I can give u 5 stars.