Yes, your friends should also have Vivatar installed on their cell phones so they can use all the features of Vivatar and accompany you. In addition it is also possible to accompany your friends in return.
There are two different types of an accompaniment: “Accompany me to my destination” and “Accompany me for a while.” Both types of accompaniment have a time limit. Your companions will be informed when you reached the limit.
Anyone you have given permission to and who has installed Vivatar can accompany you. Your companion can see your route and look after you.
Vivatar precisly informs you of their last location which should help you to either investigate the whereabouts of your loved one or to request professional assistance.