Great but needs to be more accurate

I love this app. Only have two concerns.
1. The app sent my "companion" an alert that I had arrived home safe when I was still half a block from my destination. A lot can happen in half a block in the city at night when youre alone.
2. You should have to put in a code only you know once you get to your destination in order to let your "companion" you arrived safely. Otherwise if your phone were taken by someone who meant to do you harm, they could suspend the "trip" and your "companions" would just assume you ended your trip and are safe.

Merkila about Companion: Personal Safety, v3.0.1