The Fitbit Ace app is your home base for the Fitbit Ace LTE kids smartwatch. Use it to securely call or text message your child, see their location, check in on their activity levels, and manage their contacts. If you're invited as a contact, you can also use the Fitbit Ace app to securely call or send messages to a child's Fitbit Ace LTE smartwatch. *Fitbit Ace LTE device requires a paid Ace Pass data plan. Some features only available for kids with a supervised Google Account. Learn more about privacy for Fitbit Ace at g.co/fitbitace/privacy