JYou is a free smartwatch application that can connect with the JYou smartwatches. It can provide information regarding your health, such as heart rate, body temperature, oxygen saturation, etc. The information can be displayed on the smartwatch screen. It is also able to notify you of incoming calls and messages. It can send you reminders to drink water. It can also remind you to take a break and walk.
JYou can also track your sleep and exercise history. It can display your daily activity and the number of steps you have walked. It can also display the time spent sleeping and the water you drank.