Fitdays is an application for recording family weight data. This application can help you connect a weight scale to measure and record weight, and provide chart display and reports that can be used with family members. In the iPhone based on iOS9, when you use our smart scale to measure your weight, the relevant data supports synchronization with Apple Health. This application is a family weight data recording application. All data is for reference only for weight control and long-term exercise and fitness monitoring. It is not used as a medical device data basis. If you have medical diagnosis or treatment decisions, please consult your doctor and other medical staff. ● Girth Chart Record Helping with better bodybuilding ● Measurement Instructions Guiding step by step ● Trend Chart Tracking every changes of body ● Family Use Full support up to 24 users ● 15 App Colors Popular colors of choice