OwnTracks - 个人位置伴侣
使用OwnTracks能保留您的位置轨迹，分享你的私人位置给家人和朋友. 支持Apple Watch.
OwnTracks allows you to keep track of your own location.
You can build your private location diary or share it with your family and friends.
OwnTracks is open-source and uses open protocols for communication so you can be sure your data stays secure and private.
Continued use of GPS running in the background can dramatically decrease battery life.