I would look after it, as an emergency device, who will work out of normal mobile-phone coverage...
The emergency Plan isnt expensiv and can help you out of trouble..
Smartsafety will call for help, if you are not able to do it by yourself.
Trackrecording you can do too on your smartphone, which will do it more exactly than these satellite devices.
If your Friends/Parents like to follow you live - then the livetracking starts to get handy. My Family was very happy to follow my trip through africa and south america, if they was worry they was able to look after my progress.
Two times they did ask why I didnt move. Both times i got stuck abroad, but was able to get out after a day.
I wouldnt start in remote areas without, thats like going for an roadtrip without taking my phone with me.
For my 2 Month europe trip at 2019, I didnt use a satellite-Messenger, because my phone had connection most of the time.
Surfy