Choose between a WebApp (Webpage) that avoids a download, or download the TrackServer app.
The TrackServer App is for small screen devices, and needs to be downloaded to them.
The WebApp (web page) for small screen devices (phones, tablets, etc) without download.
The TrackServer Web App for large screen devices, avoids the need to download an app.
GPS watches is a wrist watch / GPS tracker, that allows concerned family members to know the location of it and its Wearer.