With cYou cMe you can invite people to a session and share your locations in real-time.
You see where they are and they see where your are.
Its completely safe and you have full control over when your location is shared and not.
The people you invite does not need to have the app installed. When they receive an invitation from you they have an option to download the app or join the session via the web-browser.
You can also talk to the participants using the build in walkie-talkie.