GT Wear Fit After connecting with your smart watch, GT Wear Fit has various functions to help you manage your health. This app lets you automatically log many activities, so creating a healthy lifestyle is easier and simpler than ever. 1. Monitor and record your health data such as steps, calories, sleep, heart rate, etc. 2. Support calls, text messages, Facebook, Twitter and other reminders. 3. You can customize different watch faces, or choose to download online watch faces. 4. Sedentary reminder, drinking water reminder, brightness vibration setting, do not disturb, etc. The watch series supported by GT Wear Fit App are: "T1S", "T2", "T26" , "T28", "T3", "T37", "T6", and aigo GT8.